Home / 16,508.38-22,781.60-9,434.78

Finding the Fourth Proportional to 16,508.38, 22,781.60 and 9,434.78

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Solution

The fourth proportional to 16,508.38, 22,781.60 and 9,434.78 is: 13,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.38 : 22,781.60 = 9,434.78 : x
  2. Step 2: Convert to fraction form
    16,508.38/22,781.60 = 9,434.78/x
  3. Step 3: Cross multiply
    16,508.38x = 22,781.60 × 9,434.78
  4. Step 4: Simplify right side
    16,508.38x = 214,939,384.05
  5. Step 5: Solve for x
    x = 214,939,384.05/16,508.38
  6. Step 6: Final answer
    x = 13,020.02

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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.