Home / 16,387.20-22,614.24-8,935.04

Finding the Fourth Proportional to 16,387.20, 22,614.24 and 8,935.04

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Solution

The fourth proportional to 16,387.20, 22,614.24 and 8,935.04 is: 12,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.20 : 22,614.24 = 8,935.04 : x
  2. Step 2: Convert to fraction form
    16,387.20/22,614.24 = 8,935.04/x
  3. Step 3: Cross multiply
    16,387.20x = 22,614.24 × 8,935.04
  4. Step 4: Simplify right side
    16,387.20x = 202,059,138.97
  5. Step 5: Solve for x
    x = 202,059,138.97/16,387.20
  6. Step 6: Final answer
    x = 12,330.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.