Home / 13,442.52-20,151.48-5,651.88

Finding the Fourth Proportional to 13,442.52, 20,151.48 and 5,651.88

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Solution

The fourth proportional to 13,442.52, 20,151.48 and 5,651.88 is: 8,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.52 : 20,151.48 = 5,651.88 : x
  2. Step 2: Convert to fraction form
    13,442.52/20,151.48 = 5,651.88/x
  3. Step 3: Cross multiply
    13,442.52x = 20,151.48 × 5,651.88
  4. Step 4: Simplify right side
    13,442.52x = 113,893,746.78
  5. Step 5: Solve for x
    x = 113,893,746.78/13,442.52
  6. Step 6: Final answer
    x = 8,472.65

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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.