Home / 11,039.85-15,229.63-6,560.43

Finding the Fourth Proportional to 11,039.85, 15,229.63 and 6,560.43

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Solution

The fourth proportional to 11,039.85, 15,229.63 and 6,560.43 is: 9,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.85 : 15,229.63 = 6,560.43 : x
  2. Step 2: Convert to fraction form
    11,039.85/15,229.63 = 6,560.43/x
  3. Step 3: Cross multiply
    11,039.85x = 15,229.63 × 6,560.43
  4. Step 4: Simplify right side
    11,039.85x = 99,912,921.54
  5. Step 5: Solve for x
    x = 99,912,921.54/11,039.85
  6. Step 6: Final answer
    x = 9,050.21

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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.