Home / 19,540.98-29,315.97-6,393.06

Finding the Fourth Proportional to 19,540.98, 29,315.97 and 6,393.06

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Solution

The fourth proportional to 19,540.98, 29,315.97 and 6,393.06 is: 9,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.98 : 29,315.97 = 6,393.06 : x
  2. Step 2: Convert to fraction form
    19,540.98/29,315.97 = 6,393.06/x
  3. Step 3: Cross multiply
    19,540.98x = 29,315.97 × 6,393.06
  4. Step 4: Simplify right side
    19,540.98x = 187,418,755.17
  5. Step 5: Solve for x
    x = 187,418,755.17/19,540.98
  6. Step 6: Final answer
    x = 9,591.06

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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.