Home / 10,251.55-15,377.93-3,231.79

Finding the Fourth Proportional to 10,251.55, 15,377.93 and 3,231.79

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Solution

The fourth proportional to 10,251.55, 15,377.93 and 3,231.79 is: 4,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.55 : 15,377.93 = 3,231.79 : x
  2. Step 2: Convert to fraction form
    10,251.55/15,377.93 = 3,231.79/x
  3. Step 3: Cross multiply
    10,251.55x = 15,377.93 × 3,231.79
  4. Step 4: Simplify right side
    10,251.55x = 49,698,240.39
  5. Step 5: Solve for x
    x = 49,698,240.39/10,251.55
  6. Step 6: Final answer
    x = 4,847.88

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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.