A glider clears a  
210
  foot tall building by  
4
  feet. If the glide ratio is  
15
:
1
 , i.e. the glider drops  
1
  foot when it travels  
15
  feet horizontally.

To solve this, let's break down the problem based on the given glide ratio and the heights provided.

### Key Information:
- **Glider clears a 210-foot tall building by 4 feet**, meaning the glider's height at that point is \( 210 + 4 = 214 \) feet.
- **Glide ratio of 15:1**, meaning for every 15 feet the glider travels horizontally, it drops 1 foot vertically.

### Problem Setup:
- The glider is at a height of 214 feet.
- For every 1-foot drop, the glider covers 15 feet horizontally.

To find out how far the glider will travel horizontally before it reaches the ground, we need to calculate the total horizontal distance for the 214-foot drop.

### Step-by-Step Solution:

1. **Drop in height**: The glider drops from 214 feet to 0 feet (ground level).
   
   \[
   \text{Total drop} = 214 \text{ feet}
   \]

2. **Using the glide ratio**: For every 1 foot of vertical drop, the glider travels 15 feet horizontally.

   \[
   \text{Horizontal distance} = 214 \times 15
   \]

3. **Calculate horizontal distance**:
   
   \[
   \text{Horizontal distance} = 3210 \text{ feet}
   \]

### Conclusion:
The glider will travel **3210 feet** horizontally from the point it clears the building before it reaches the ground.

---

Would you like more details or have any questions?

Here are 5 related questions to think about:
1. How would the glide distance change if the glide ratio improved to 20:1?
2. What would happen if the glider cleared a building taller than 210 feet?
3. How does wind resistance affect glide ratio in real-world conditions?
4. If the horizontal distance covered needs to be doubled, what must the glide ratio be?
5. How can the altitude change if the glider flies at a different horizontal distance with the same glide ratio?

**Tip**: Glide ratios are crucial in aviation; a higher ratio means a more efficient flight with less altitude loss over longer distances.

A glider clears a 210-foot tall building by 4 feet. If the glide ratio is 15:1, i.e. the glider drops 1 foot when it travels 15 feet horizontally, how far will the glider travel horizontally before reaching the ground?

Solve a glide ratio problem where a glider clears a 210-foot building by 4 feet and drops 1 foot for every 15 feet traveled horizontally. Learn how to calculate the total horizontal distance of 3,210 feet before the glider reaches the ground, using key concepts in ratio and proportion. Suitable for Grades 7-9.

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