Home / 10,229.56-15,343.20-3,209.29

Finding the Fourth Proportional to 10,229.56, 15,343.20 and 3,209.29

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Solution

The fourth proportional to 10,229.56, 15,343.20 and 3,209.29 is: 4,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.56 : 15,343.20 = 3,209.29 : x
  2. Step 2: Convert to fraction form
    10,229.56/15,343.20 = 3,209.29/x
  3. Step 3: Cross multiply
    10,229.56x = 15,343.20 × 3,209.29
  4. Step 4: Simplify right side
    10,229.56x = 49,240,778.33
  5. Step 5: Solve for x
    x = 49,240,778.33/10,229.56
  6. Step 6: Final answer
    x = 4,813.58

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1.5x scale

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.