Home / 16,864.38-23,270.22-9,789.44

Finding the Fourth Proportional to 16,864.38, 23,270.22 and 9,789.44

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Solution

The fourth proportional to 16,864.38, 23,270.22 and 9,789.44 is: 13,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.38 : 23,270.22 = 9,789.44 : x
  2. Step 2: Convert to fraction form
    16,864.38/23,270.22 = 9,789.44/x
  3. Step 3: Cross multiply
    16,864.38x = 23,270.22 × 9,789.44
  4. Step 4: Simplify right side
    16,864.38x = 227,802,306.13
  5. Step 5: Solve for x
    x = 227,802,306.13/16,864.38
  6. Step 6: Final answer
    x = 13,507.90

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Double scale
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Similar ratio
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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.