Home / 22,272.59-30,732.28-12,708.11

Finding the Fourth Proportional to 22,272.59, 30,732.28 and 12,708.11

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Solution

The fourth proportional to 22,272.59, 30,732.28 and 12,708.11 is: 17,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.59 : 30,732.28 = 12,708.11 : x
  2. Step 2: Convert to fraction form
    22,272.59/30,732.28 = 12,708.11/x
  3. Step 3: Cross multiply
    22,272.59x = 30,732.28 × 12,708.11
  4. Step 4: Simplify right side
    22,272.59x = 390,549,239.85
  5. Step 5: Solve for x
    x = 390,549,239.85/22,272.59
  6. Step 6: Final answer
    x = 17,534.97

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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.