Home / 18,500.18-27,757.56-8,104.64

Finding the Fourth Proportional to 18,500.18, 27,757.56 and 8,104.64

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Solution

The fourth proportional to 18,500.18, 27,757.56 and 8,104.64 is: 12,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.18 : 27,757.56 = 8,104.64 : x
  2. Step 2: Convert to fraction form
    18,500.18/27,757.56 = 8,104.64/x
  3. Step 3: Cross multiply
    18,500.18x = 27,757.56 × 8,104.64
  4. Step 4: Simplify right side
    18,500.18x = 224,965,031.08
  5. Step 5: Solve for x
    x = 224,965,031.08/18,500.18
  6. Step 6: Final answer
    x = 12,160.15

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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.