Home / 12,542.42-17,308.17-6,876.87

Finding the Fourth Proportional to 12,542.42, 17,308.17 and 6,876.87

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Solution

The fourth proportional to 12,542.42, 17,308.17 and 6,876.87 is: 9,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.42 : 17,308.17 = 6,876.87 : x
  2. Step 2: Convert to fraction form
    12,542.42/17,308.17 = 6,876.87/x
  3. Step 3: Cross multiply
    12,542.42x = 17,308.17 × 6,876.87
  4. Step 4: Simplify right side
    12,542.42x = 119,026,035.03
  5. Step 5: Solve for x
    x = 119,026,035.03/12,542.42
  6. Step 6: Final answer
    x = 9,489.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.