Home / 18,150.41-27,189.17-8,276.10

Finding the Fourth Proportional to 18,150.41, 27,189.17 and 8,276.10

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Solution

The fourth proportional to 18,150.41, 27,189.17 and 8,276.10 is: 12,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.41 : 27,189.17 = 8,276.10 : x
  2. Step 2: Convert to fraction form
    18,150.41/27,189.17 = 8,276.10/x
  3. Step 3: Cross multiply
    18,150.41x = 27,189.17 × 8,276.10
  4. Step 4: Simplify right side
    18,150.41x = 225,020,248.46
  5. Step 5: Solve for x
    x = 225,020,248.46/18,150.41
  6. Step 6: Final answer
    x = 12,397.53

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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.