Home / 18,086.60-27,141.19-8,091.34

Finding the Fourth Proportional to 18,086.60, 27,141.19 and 8,091.34

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Solution

The fourth proportional to 18,086.60, 27,141.19 and 8,091.34 is: 12,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.60 : 27,141.19 = 8,091.34 : x
  2. Step 2: Convert to fraction form
    18,086.60/27,141.19 = 8,091.34/x
  3. Step 3: Cross multiply
    18,086.60x = 27,141.19 × 8,091.34
  4. Step 4: Simplify right side
    18,086.60x = 219,608,508.21
  5. Step 5: Solve for x
    x = 219,608,508.21/18,086.60
  6. Step 6: Final answer
    x = 12,142.05

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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.