Home / 19,839.86-29,759.82-5,988.86

Finding the Fourth Proportional to 19,839.86, 29,759.82 and 5,988.86

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Solution

The fourth proportional to 19,839.86, 29,759.82 and 5,988.86 is: 8,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.86 : 29,759.82 = 5,988.86 : x
  2. Step 2: Convert to fraction form
    19,839.86/29,759.82 = 5,988.86/x
  3. Step 3: Cross multiply
    19,839.86x = 29,759.82 × 5,988.86
  4. Step 4: Simplify right side
    19,839.86x = 178,227,395.61
  5. Step 5: Solve for x
    x = 178,227,395.61/19,839.86
  6. Step 6: Final answer
    x = 8,983.30

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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.