Home / 10,451.22-15,657.99-10,229.78

Finding the Fourth Proportional to 10,451.22, 15,657.99 and 10,229.78

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Solution

The fourth proportional to 10,451.22, 15,657.99 and 10,229.78 is: 15,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.22 : 15,657.99 = 10,229.78 : x
  2. Step 2: Convert to fraction form
    10,451.22/15,657.99 = 10,229.78/x
  3. Step 3: Cross multiply
    10,451.22x = 15,657.99 × 10,229.78
  4. Step 4: Simplify right side
    10,451.22x = 160,177,792.94
  5. Step 5: Solve for x
    x = 160,177,792.94/10,451.22
  6. Step 6: Final answer
    x = 15,326.23

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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.