Home / 10,250.35-15,372.79-4,405.59

Finding the Fourth Proportional to 10,250.35, 15,372.79 and 4,405.59

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Solution

The fourth proportional to 10,250.35, 15,372.79 and 4,405.59 is: 6,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.35 : 15,372.79 = 4,405.59 : x
  2. Step 2: Convert to fraction form
    10,250.35/15,372.79 = 4,405.59/x
  3. Step 3: Cross multiply
    10,250.35x = 15,372.79 × 4,405.59
  4. Step 4: Simplify right side
    10,250.35x = 67,726,198.88
  5. Step 5: Solve for x
    x = 67,726,198.88/10,250.35
  6. Step 6: Final answer
    x = 6,607.21

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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.