Home / 13,744.82-20,617.28-3,356.57

Finding the Fourth Proportional to 13,744.82, 20,617.28 and 3,356.57

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Solution

The fourth proportional to 13,744.82, 20,617.28 and 3,356.57 is: 5,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.82 : 20,617.28 = 3,356.57 : x
  2. Step 2: Convert to fraction form
    13,744.82/20,617.28 = 3,356.57/x
  3. Step 3: Cross multiply
    13,744.82x = 20,617.28 × 3,356.57
  4. Step 4: Simplify right side
    13,744.82x = 69,203,223.66
  5. Step 5: Solve for x
    x = 69,203,223.66/13,744.82
  6. Step 6: Final answer
    x = 5,034.86

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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.