Home / 10,203.27-15,306.30-3,183.90

Finding the Fourth Proportional to 10,203.27, 15,306.30 and 3,183.90

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Solution

The fourth proportional to 10,203.27, 15,306.30 and 3,183.90 is: 4,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.27 : 15,306.30 = 3,183.90 : x
  2. Step 2: Convert to fraction form
    10,203.27/15,306.30 = 3,183.90/x
  3. Step 3: Cross multiply
    10,203.27x = 15,306.30 × 3,183.90
  4. Step 4: Simplify right side
    10,203.27x = 48,733,728.57
  5. Step 5: Solve for x
    x = 48,733,728.57/10,203.27
  6. Step 6: Final answer
    x = 4,776.29

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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.