Home / 18,233.29-25,149.45-11,163.21

Finding the Fourth Proportional to 18,233.29, 25,149.45 and 11,163.21

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Solution

The fourth proportional to 18,233.29, 25,149.45 and 11,163.21 is: 15,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.29 : 25,149.45 = 11,163.21 : x
  2. Step 2: Convert to fraction form
    18,233.29/25,149.45 = 11,163.21/x
  3. Step 3: Cross multiply
    18,233.29x = 25,149.45 × 11,163.21
  4. Step 4: Simplify right side
    18,233.29x = 280,748,591.73
  5. Step 5: Solve for x
    x = 280,748,591.73/18,233.29
  6. Step 6: Final answer
    x = 15,397.58

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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.