Home / 15,008.80-22,513.20-9,103.90

Finding the Fourth Proportional to 15,008.80, 22,513.20 and 9,103.90

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Solution

The fourth proportional to 15,008.80, 22,513.20 and 9,103.90 is: 13,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.80 : 22,513.20 = 9,103.90 : x
  2. Step 2: Convert to fraction form
    15,008.80/22,513.20 = 9,103.90/x
  3. Step 3: Cross multiply
    15,008.80x = 22,513.20 × 9,103.90
  4. Step 4: Simplify right side
    15,008.80x = 204,957,921.48
  5. Step 5: Solve for x
    x = 204,957,921.48/15,008.80
  6. Step 6: Final answer
    x = 13,655.85

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Similar ratio
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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.