Home / 22,331.43-33,453.36-12,951.74

Finding the Fourth Proportional to 22,331.43, 33,453.36 and 12,951.74

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Solution

The fourth proportional to 22,331.43, 33,453.36 and 12,951.74 is: 19,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.43 : 33,453.36 = 12,951.74 : x
  2. Step 2: Convert to fraction form
    22,331.43/33,453.36 = 12,951.74/x
  3. Step 3: Cross multiply
    22,331.43x = 33,453.36 × 12,951.74
  4. Step 4: Simplify right side
    22,331.43x = 433,279,304.48
  5. Step 5: Solve for x
    x = 433,279,304.48/22,331.43
  6. Step 6: Final answer
    x = 19,402.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.