Home / 12,517.43-17,275.63-7,481.66

Finding the Fourth Proportional to 12,517.43, 17,275.63 and 7,481.66

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Solution

The fourth proportional to 12,517.43, 17,275.63 and 7,481.66 is: 10,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.43 : 17,275.63 = 7,481.66 : x
  2. Step 2: Convert to fraction form
    12,517.43/17,275.63 = 7,481.66/x
  3. Step 3: Cross multiply
    12,517.43x = 17,275.63 × 7,481.66
  4. Step 4: Simplify right side
    12,517.43x = 129,250,389.95
  5. Step 5: Solve for x
    x = 129,250,389.95/12,517.43
  6. Step 6: Final answer
    x = 10,325.63

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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.