Home / 10,932.60-16,397.14-3,139.64

Finding the Fourth Proportional to 10,932.60, 16,397.14 and 3,139.64

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Solution

The fourth proportional to 10,932.60, 16,397.14 and 3,139.64 is: 4,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.60 : 16,397.14 = 3,139.64 : x
  2. Step 2: Convert to fraction form
    10,932.60/16,397.14 = 3,139.64/x
  3. Step 3: Cross multiply
    10,932.60x = 16,397.14 × 3,139.64
  4. Step 4: Simplify right side
    10,932.60x = 51,481,116.63
  5. Step 5: Solve for x
    x = 51,481,116.63/10,932.60
  6. Step 6: Final answer
    x = 4,708.95

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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.