Home / 12,131.44-18,202.92-5,974

Finding the Fourth Proportional to 12,131.44, 18,202.92 and 5,974

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Solution

The fourth proportional to 12,131.44, 18,202.92 and 5,974 is: 8,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.44 : 18,202.92 = 5,974 : x
  2. Step 2: Convert to fraction form
    12,131.44/18,202.92 = 5,974/x
  3. Step 3: Cross multiply
    12,131.44x = 18,202.92 × 5,974
  4. Step 4: Simplify right side
    12,131.44x = 108,744,244.08
  5. Step 5: Solve for x
    x = 108,744,244.08/12,131.44
  6. Step 6: Final answer
    x = 8,963.84

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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.