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Finding the Fourth Proportional to 18,446.05, 27,671.78 and 5,963.68

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Solution

The fourth proportional to 18,446.05, 27,671.78 and 5,963.68 is: 8,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.05 : 27,671.78 = 5,963.68 : x
  2. Step 2: Convert to fraction form
    18,446.05/27,671.78 = 5,963.68/x
  3. Step 3: Cross multiply
    18,446.05x = 27,671.78 × 5,963.68
  4. Step 4: Simplify right side
    18,446.05x = 165,025,640.95
  5. Step 5: Solve for x
    x = 165,025,640.95/18,446.05
  6. Step 6: Final answer
    x = 8,946.39

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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.