Home / 19,238.41-28,839.14-6,081.78

Finding the Fourth Proportional to 19,238.41, 28,839.14 and 6,081.78

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Solution

The fourth proportional to 19,238.41, 28,839.14 and 6,081.78 is: 9,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.41 : 28,839.14 = 6,081.78 : x
  2. Step 2: Convert to fraction form
    19,238.41/28,839.14 = 6,081.78/x
  3. Step 3: Cross multiply
    19,238.41x = 28,839.14 × 6,081.78
  4. Step 4: Simplify right side
    19,238.41x = 175,393,405.41
  5. Step 5: Solve for x
    x = 175,393,405.41/19,238.41
  6. Step 6: Final answer
    x = 9,116.83

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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.