Home / 17,939.92-24,757.50-9,981.88

Finding the Fourth Proportional to 17,939.92, 24,757.50 and 9,981.88

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Solution

The fourth proportional to 17,939.92, 24,757.50 and 9,981.88 is: 13,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.92 : 24,757.50 = 9,981.88 : x
  2. Step 2: Convert to fraction form
    17,939.92/24,757.50 = 9,981.88/x
  3. Step 3: Cross multiply
    17,939.92x = 24,757.50 × 9,981.88
  4. Step 4: Simplify right side
    17,939.92x = 247,126,394.10
  5. Step 5: Solve for x
    x = 247,126,394.10/17,939.92
  6. Step 6: Final answer
    x = 13,775.22

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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.