Home / 11,972.44-17,957.55-5,645.87

Finding the Fourth Proportional to 11,972.44, 17,957.55 and 5,645.87

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Solution

The fourth proportional to 11,972.44, 17,957.55 and 5,645.87 is: 8,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.44 : 17,957.55 = 5,645.87 : x
  2. Step 2: Convert to fraction form
    11,972.44/17,957.55 = 5,645.87/x
  3. Step 3: Cross multiply
    11,972.44x = 17,957.55 × 5,645.87
  4. Step 4: Simplify right side
    11,972.44x = 101,385,991.54
  5. Step 5: Solve for x
    x = 101,385,991.54/11,972.44
  6. Step 6: Final answer
    x = 8,468.28

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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.