Home / 22,213.13-30,654.04-12,141.56

Finding the Fourth Proportional to 22,213.13, 30,654.04 and 12,141.56

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Solution

The fourth proportional to 22,213.13, 30,654.04 and 12,141.56 is: 16,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.13 : 30,654.04 = 12,141.56 : x
  2. Step 2: Convert to fraction form
    22,213.13/30,654.04 = 12,141.56/x
  3. Step 3: Cross multiply
    22,213.13x = 30,654.04 × 12,141.56
  4. Step 4: Simplify right side
    22,213.13x = 372,187,912.18
  5. Step 5: Solve for x
    x = 372,187,912.18/22,213.13
  6. Step 6: Final answer
    x = 16,755.32

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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.