Home / 10,349.89-15,517.10-3,325.89

Finding the Fourth Proportional to 10,349.89, 15,517.10 and 3,325.89

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Solution

The fourth proportional to 10,349.89, 15,517.10 and 3,325.89 is: 4,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.89 : 15,517.10 = 3,325.89 : x
  2. Step 2: Convert to fraction form
    10,349.89/15,517.10 = 3,325.89/x
  3. Step 3: Cross multiply
    10,349.89x = 15,517.10 × 3,325.89
  4. Step 4: Simplify right side
    10,349.89x = 51,608,234.22
  5. Step 5: Solve for x
    x = 51,608,234.22/10,349.89
  6. Step 6: Final answer
    x = 4,986.36

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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.