Home / 22,279.52-30,744.68-13,331.96

Finding the Fourth Proportional to 22,279.52, 30,744.68 and 13,331.96

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Solution

The fourth proportional to 22,279.52, 30,744.68 and 13,331.96 is: 18,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.52 : 30,744.68 = 13,331.96 : x
  2. Step 2: Convert to fraction form
    22,279.52/30,744.68 = 13,331.96/x
  3. Step 3: Cross multiply
    22,279.52x = 30,744.68 × 13,331.96
  4. Step 4: Simplify right side
    22,279.52x = 409,886,843.97
  5. Step 5: Solve for x
    x = 409,886,843.97/22,279.52
  6. Step 6: Final answer
    x = 18,397.47

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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.