Home / 18,177.20-27,254.16-8,685.62

Finding the Fourth Proportional to 18,177.20, 27,254.16 and 8,685.62

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Solution

The fourth proportional to 18,177.20, 27,254.16 and 8,685.62 is: 13,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.20 : 27,254.16 = 8,685.62 : x
  2. Step 2: Convert to fraction form
    18,177.20/27,254.16 = 8,685.62/x
  3. Step 3: Cross multiply
    18,177.20x = 27,254.16 × 8,685.62
  4. Step 4: Simplify right side
    18,177.20x = 236,719,277.18
  5. Step 5: Solve for x
    x = 236,719,277.18/18,177.20
  6. Step 6: Final answer
    x = 13,022.87

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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.