Home / 10,344.20-15,517.70-3,321.88

Finding the Fourth Proportional to 10,344.20, 15,517.70 and 3,321.88

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Solution

The fourth proportional to 10,344.20, 15,517.70 and 3,321.88 is: 4,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.20 : 15,517.70 = 3,321.88 : x
  2. Step 2: Convert to fraction form
    10,344.20/15,517.70 = 3,321.88/x
  3. Step 3: Cross multiply
    10,344.20x = 15,517.70 × 3,321.88
  4. Step 4: Simplify right side
    10,344.20x = 51,547,894.33
  5. Step 5: Solve for x
    x = 51,547,894.33/10,344.20
  6. Step 6: Final answer
    x = 4,983.27

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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.