Home / 10,251.48-15,375.66-2,855.18

Finding the Fourth Proportional to 10,251.48, 15,375.66 and 2,855.18

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Solution

The fourth proportional to 10,251.48, 15,375.66 and 2,855.18 is: 4,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.48 : 15,375.66 = 2,855.18 : x
  2. Step 2: Convert to fraction form
    10,251.48/15,375.66 = 2,855.18/x
  3. Step 3: Cross multiply
    10,251.48x = 15,375.66 × 2,855.18
  4. Step 4: Simplify right side
    10,251.48x = 43,900,276.92
  5. Step 5: Solve for x
    x = 43,900,276.92/10,251.48
  6. Step 6: Final answer
    x = 4,282.34

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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.