Home / 13,175.82-19,763.24-3,314.97

Finding the Fourth Proportional to 13,175.82, 19,763.24 and 3,314.97

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Solution

The fourth proportional to 13,175.82, 19,763.24 and 3,314.97 is: 4,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.82 : 19,763.24 = 3,314.97 : x
  2. Step 2: Convert to fraction form
    13,175.82/19,763.24 = 3,314.97/x
  3. Step 3: Cross multiply
    13,175.82x = 19,763.24 × 3,314.97
  4. Step 4: Simplify right side
    13,175.82x = 65,514,531.13
  5. Step 5: Solve for x
    x = 65,514,531.13/13,175.82
  6. Step 6: Final answer
    x = 4,972.33

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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.