Home / 11,217.62-16,821.24-5,367.80

Finding the Fourth Proportional to 11,217.62, 16,821.24 and 5,367.80

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Solution

The fourth proportional to 11,217.62, 16,821.24 and 5,367.80 is: 8,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.62 : 16,821.24 = 5,367.80 : x
  2. Step 2: Convert to fraction form
    11,217.62/16,821.24 = 5,367.80/x
  3. Step 3: Cross multiply
    11,217.62x = 16,821.24 × 5,367.80
  4. Step 4: Simplify right side
    11,217.62x = 90,293,052.07
  5. Step 5: Solve for x
    x = 90,293,052.07/11,217.62
  6. Step 6: Final answer
    x = 8,049.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.