Home / 18,153-27,372.15-14,731.56

Finding the Fourth Proportional to 18,153, 27,372.15 and 14,731.56

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Solution

The fourth proportional to 18,153, 27,372.15 and 14,731.56 is: 22,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153 : 27,372.15 = 14,731.56 : x
  2. Step 2: Convert to fraction form
    18,153/27,372.15 = 14,731.56/x
  3. Step 3: Cross multiply
    18,153x = 27,372.15 × 14,731.56
  4. Step 4: Simplify right side
    18,153x = 403,234,470.05
  5. Step 5: Solve for x
    x = 403,234,470.05/18,153
  6. Step 6: Final answer
    x = 22,213.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.