Home / 10,827.71-16,242.14-3,432.74

Finding the Fourth Proportional to 10,827.71, 16,242.14 and 3,432.74

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Solution

The fourth proportional to 10,827.71, 16,242.14 and 3,432.74 is: 5,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.71 : 16,242.14 = 3,432.74 : x
  2. Step 2: Convert to fraction form
    10,827.71/16,242.14 = 3,432.74/x
  3. Step 3: Cross multiply
    10,827.71x = 16,242.14 × 3,432.74
  4. Step 4: Simplify right side
    10,827.71x = 55,755,067.11
  5. Step 5: Solve for x
    x = 55,755,067.11/10,827.71
  6. Step 6: Final answer
    x = 5,149.30

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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.