Home / 11,945.42-17,918.97-3,626.11

Finding the Fourth Proportional to 11,945.42, 17,918.97 and 3,626.11

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Solution

The fourth proportional to 11,945.42, 17,918.97 and 3,626.11 is: 5,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.42 : 17,918.97 = 3,626.11 : x
  2. Step 2: Convert to fraction form
    11,945.42/17,918.97 = 3,626.11/x
  3. Step 3: Cross multiply
    11,945.42x = 17,918.97 × 3,626.11
  4. Step 4: Simplify right side
    11,945.42x = 64,976,102.44
  5. Step 5: Solve for x
    x = 64,976,102.44/11,945.42
  6. Step 6: Final answer
    x = 5,439.42

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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.