Home / 11,965.44-17,948.32-4,174.48

Finding the Fourth Proportional to 11,965.44, 17,948.32 and 4,174.48

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Solution

The fourth proportional to 11,965.44, 17,948.32 and 4,174.48 is: 6,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.44 : 17,948.32 = 4,174.48 : x
  2. Step 2: Convert to fraction form
    11,965.44/17,948.32 = 4,174.48/x
  3. Step 3: Cross multiply
    11,965.44x = 17,948.32 × 4,174.48
  4. Step 4: Simplify right side
    11,965.44x = 74,924,902.87
  5. Step 5: Solve for x
    x = 74,924,902.87/11,965.44
  6. Step 6: Final answer
    x = 6,261.78

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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.