Home / 22,213.44-30,654-12,141.90

Finding the Fourth Proportional to 22,213.44, 30,654 and 12,141.90

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Solution

The fourth proportional to 22,213.44, 30,654 and 12,141.90 is: 16,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.44 : 30,654 = 12,141.90 : x
  2. Step 2: Convert to fraction form
    22,213.44/30,654 = 12,141.90/x
  3. Step 3: Cross multiply
    22,213.44x = 30,654 × 12,141.90
  4. Step 4: Simplify right side
    22,213.44x = 372,197,802.60
  5. Step 5: Solve for x
    x = 372,197,802.60/22,213.44
  6. Step 6: Final answer
    x = 16,755.52

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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.