Home / 12,531.24-17,296.56-7,498.92

Finding the Fourth Proportional to 12,531.24, 17,296.56 and 7,498.92

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Solution

The fourth proportional to 12,531.24, 17,296.56 and 7,498.92 is: 10,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.24 : 17,296.56 = 7,498.92 : x
  2. Step 2: Convert to fraction form
    12,531.24/17,296.56 = 7,498.92/x
  3. Step 3: Cross multiply
    12,531.24x = 17,296.56 × 7,498.92
  4. Step 4: Simplify right side
    12,531.24x = 129,705,519.72
  5. Step 5: Solve for x
    x = 129,705,519.72/12,531.24
  6. Step 6: Final answer
    x = 10,350.57

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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.