Home / 18,402.30-27,595.15-5,251.55

Finding the Fourth Proportional to 18,402.30, 27,595.15 and 5,251.55

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Solution

The fourth proportional to 18,402.30, 27,595.15 and 5,251.55 is: 7,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.30 : 27,595.15 = 5,251.55 : x
  2. Step 2: Convert to fraction form
    18,402.30/27,595.15 = 5,251.55/x
  3. Step 3: Cross multiply
    18,402.30x = 27,595.15 × 5,251.55
  4. Step 4: Simplify right side
    18,402.30x = 144,917,158.88
  5. Step 5: Solve for x
    x = 144,917,158.88/18,402.30
  6. Step 6: Final answer
    x = 7,874.95

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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.