Home / 22,324.68-30,805.11-13,126.73

Finding the Fourth Proportional to 22,324.68, 30,805.11 and 13,126.73

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Solution

The fourth proportional to 22,324.68, 30,805.11 and 13,126.73 is: 18,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,324.68 : 30,805.11 = 13,126.73 : x
  2. Step 2: Convert to fraction form
    22,324.68/30,805.11 = 13,126.73/x
  3. Step 3: Cross multiply
    22,324.68x = 30,805.11 × 13,126.73
  4. Step 4: Simplify right side
    22,324.68x = 404,370,207.56
  5. Step 5: Solve for x
    x = 404,370,207.56/22,324.68
  6. Step 6: Final answer
    x = 18,113.15

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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.