Home / 10,250.42-15,377.92-3,135.24

Finding the Fourth Proportional to 10,250.42, 15,377.92 and 3,135.24

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Solution

The fourth proportional to 10,250.42, 15,377.92 and 3,135.24 is: 4,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.42 : 15,377.92 = 3,135.24 : x
  2. Step 2: Convert to fraction form
    10,250.42/15,377.92 = 3,135.24/x
  3. Step 3: Cross multiply
    10,250.42x = 15,377.92 × 3,135.24
  4. Step 4: Simplify right side
    10,250.42x = 48,213,462.06
  5. Step 5: Solve for x
    x = 48,213,462.06/10,250.42
  6. Step 6: Final answer
    x = 4,703.56

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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.