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Finding the Fourth Proportional to 22,446.44, 30,974.63 and 12,374.97

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Solution

The fourth proportional to 22,446.44, 30,974.63 and 12,374.97 is: 17,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.44 : 30,974.63 = 12,374.97 : x
  2. Step 2: Convert to fraction form
    22,446.44/30,974.63 = 12,374.97/x
  3. Step 3: Cross multiply
    22,446.44x = 30,974.63 × 12,374.97
  4. Step 4: Simplify right side
    22,446.44x = 383,309,962.14
  5. Step 5: Solve for x
    x = 383,309,962.14/22,446.44
  6. Step 6: Final answer
    x = 17,076.65

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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.