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Finding the Fourth Proportional to 18,549.27, 27,827.15 and 8,160.75

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Solution

The fourth proportional to 18,549.27, 27,827.15 and 8,160.75 is: 12,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.27 : 27,827.15 = 8,160.75 : x
  2. Step 2: Convert to fraction form
    18,549.27/27,827.15 = 8,160.75/x
  3. Step 3: Cross multiply
    18,549.27x = 27,827.15 × 8,160.75
  4. Step 4: Simplify right side
    18,549.27x = 227,090,373.56
  5. Step 5: Solve for x
    x = 227,090,373.56/18,549.27
  6. Step 6: Final answer
    x = 12,242.55

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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.