Home / 13,314.27-19,972.16-3,453.29

Finding the Fourth Proportional to 13,314.27, 19,972.16 and 3,453.29

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Solution

The fourth proportional to 13,314.27, 19,972.16 and 3,453.29 is: 5,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.27 : 19,972.16 = 3,453.29 : x
  2. Step 2: Convert to fraction form
    13,314.27/19,972.16 = 3,453.29/x
  3. Step 3: Cross multiply
    13,314.27x = 19,972.16 × 3,453.29
  4. Step 4: Simplify right side
    13,314.27x = 68,969,543.28
  5. Step 5: Solve for x
    x = 68,969,543.28/13,314.27
  6. Step 6: Final answer
    x = 5,180.12

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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.