Home / 10,339.06-15,517.77-6,819.22

Finding the Fourth Proportional to 10,339.06, 15,517.77 and 6,819.22

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Solution

The fourth proportional to 10,339.06, 15,517.77 and 6,819.22 is: 10,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.06 : 15,517.77 = 6,819.22 : x
  2. Step 2: Convert to fraction form
    10,339.06/15,517.77 = 6,819.22/x
  3. Step 3: Cross multiply
    10,339.06x = 15,517.77 × 6,819.22
  4. Step 4: Simplify right side
    10,339.06x = 105,819,087.54
  5. Step 5: Solve for x
    x = 105,819,087.54/10,339.06
  6. Step 6: Final answer
    x = 10,234.88

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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.