Home / 22,331.32-30,805.60-13,251.40

Finding the Fourth Proportional to 22,331.32, 30,805.60 and 13,251.40

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Solution

The fourth proportional to 22,331.32, 30,805.60 and 13,251.40 is: 18,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.32 : 30,805.60 = 13,251.40 : x
  2. Step 2: Convert to fraction form
    22,331.32/30,805.60 = 13,251.40/x
  3. Step 3: Cross multiply
    22,331.32x = 30,805.60 × 13,251.40
  4. Step 4: Simplify right side
    22,331.32x = 408,217,327.84
  5. Step 5: Solve for x
    x = 408,217,327.84/22,331.32
  6. Step 6: Final answer
    x = 18,280.04

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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.