Home / 10,281.20-15,412.52-3,702.76

Finding the Fourth Proportional to 10,281.20, 15,412.52 and 3,702.76

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Solution

The fourth proportional to 10,281.20, 15,412.52 and 3,702.76 is: 5,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.20 : 15,412.52 = 3,702.76 : x
  2. Step 2: Convert to fraction form
    10,281.20/15,412.52 = 3,702.76/x
  3. Step 3: Cross multiply
    10,281.20x = 15,412.52 × 3,702.76
  4. Step 4: Simplify right side
    10,281.20x = 57,068,862.56
  5. Step 5: Solve for x
    x = 57,068,862.56/10,281.20
  6. Step 6: Final answer
    x = 5,550.80

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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.