Home / 10,565.52-15,837.06-3,988.92

Finding the Fourth Proportional to 10,565.52, 15,837.06 and 3,988.92

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Solution

The fourth proportional to 10,565.52, 15,837.06 and 3,988.92 is: 5,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.52 : 15,837.06 = 3,988.92 : x
  2. Step 2: Convert to fraction form
    10,565.52/15,837.06 = 3,988.92/x
  3. Step 3: Cross multiply
    10,565.52x = 15,837.06 × 3,988.92
  4. Step 4: Simplify right side
    10,565.52x = 63,172,765.38
  5. Step 5: Solve for x
    x = 63,172,765.38/10,565.52
  6. Step 6: Final answer
    x = 5,979.14

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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.