Home / 13,034.16-19,540.26-8,862.48

Finding the Fourth Proportional to 13,034.16, 19,540.26 and 8,862.48

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Solution

The fourth proportional to 13,034.16, 19,540.26 and 8,862.48 is: 13,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.16 : 19,540.26 = 8,862.48 : x
  2. Step 2: Convert to fraction form
    13,034.16/19,540.26 = 8,862.48/x
  3. Step 3: Cross multiply
    13,034.16x = 19,540.26 × 8,862.48
  4. Step 4: Simplify right side
    13,034.16x = 173,175,163.44
  5. Step 5: Solve for x
    x = 173,175,163.44/13,034.16
  6. Step 6: Final answer
    x = 13,286.25

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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.