Home / 10,540.62-15,809.10-3,966.86

Finding the Fourth Proportional to 10,540.62, 15,809.10 and 3,966.86

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Solution

The fourth proportional to 10,540.62, 15,809.10 and 3,966.86 is: 5,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.62 : 15,809.10 = 3,966.86 : x
  2. Step 2: Convert to fraction form
    10,540.62/15,809.10 = 3,966.86/x
  3. Step 3: Cross multiply
    10,540.62x = 15,809.10 × 3,966.86
  4. Step 4: Simplify right side
    10,540.62x = 62,712,407.38
  5. Step 5: Solve for x
    x = 62,712,407.38/10,540.62
  6. Step 6: Final answer
    x = 5,949.59

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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.