Home / 11,039.60-15,229.29-6,560.18

Finding the Fourth Proportional to 11,039.60, 15,229.29 and 6,560.18

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Solution

The fourth proportional to 11,039.60, 15,229.29 and 6,560.18 is: 9,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.60 : 15,229.29 = 6,560.18 : x
  2. Step 2: Convert to fraction form
    11,039.60/15,229.29 = 6,560.18/x
  3. Step 3: Cross multiply
    11,039.60x = 15,229.29 × 6,560.18
  4. Step 4: Simplify right side
    11,039.60x = 99,906,883.67
  5. Step 5: Solve for x
    x = 99,906,883.67/11,039.60
  6. Step 6: Final answer
    x = 9,049.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.