Home / 12,613.28-17,387.30-10,371.26

Finding the Fourth Proportional to 12,613.28, 17,387.30 and 10,371.26

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Solution

The fourth proportional to 12,613.28, 17,387.30 and 10,371.26 is: 14,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.28 : 17,387.30 = 10,371.26 : x
  2. Step 2: Convert to fraction form
    12,613.28/17,387.30 = 10,371.26/x
  3. Step 3: Cross multiply
    12,613.28x = 17,387.30 × 10,371.26
  4. Step 4: Simplify right side
    12,613.28x = 180,328,278.39
  5. Step 5: Solve for x
    x = 180,328,278.39/12,613.28
  6. Step 6: Final answer
    x = 14,296.71

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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.