Home / 10,251.99-15,375.75-3,231.11

Finding the Fourth Proportional to 10,251.99, 15,375.75 and 3,231.11

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Solution

The fourth proportional to 10,251.99, 15,375.75 and 3,231.11 is: 4,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.99 : 15,375.75 = 3,231.11 : x
  2. Step 2: Convert to fraction form
    10,251.99/15,375.75 = 3,231.11/x
  3. Step 3: Cross multiply
    10,251.99x = 15,375.75 × 3,231.11
  4. Step 4: Simplify right side
    10,251.99x = 49,680,662.70
  5. Step 5: Solve for x
    x = 49,680,662.70/10,251.99
  6. Step 6: Final answer
    x = 4,845.95

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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.