Home / 13,517.52-20,279.40-4,752.48

Finding the Fourth Proportional to 13,517.52, 20,279.40 and 4,752.48

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Solution

The fourth proportional to 13,517.52, 20,279.40 and 4,752.48 is: 7,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.52 : 20,279.40 = 4,752.48 : x
  2. Step 2: Convert to fraction form
    13,517.52/20,279.40 = 4,752.48/x
  3. Step 3: Cross multiply
    13,517.52x = 20,279.40 × 4,752.48
  4. Step 4: Simplify right side
    13,517.52x = 96,377,442.91
  5. Step 5: Solve for x
    x = 96,377,442.91/13,517.52
  6. Step 6: Final answer
    x = 7,129.82

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1.5x scale

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.