Home / 18,251.46-25,184.52-11,176.38

Finding the Fourth Proportional to 18,251.46, 25,184.52 and 11,176.38

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Solution

The fourth proportional to 18,251.46, 25,184.52 and 11,176.38 is: 15,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.46 : 25,184.52 = 11,176.38 : x
  2. Step 2: Convert to fraction form
    18,251.46/25,184.52 = 11,176.38/x
  3. Step 3: Cross multiply
    18,251.46x = 25,184.52 × 11,176.38
  4. Step 4: Simplify right side
    18,251.46x = 281,471,765.64
  5. Step 5: Solve for x
    x = 281,471,765.64/18,251.46
  6. Step 6: Final answer
    x = 15,421.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.