Home / 11,247.24-15,520.14-6,531.78

Finding the Fourth Proportional to 11,247.24, 15,520.14 and 6,531.78

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Solution

The fourth proportional to 11,247.24, 15,520.14 and 6,531.78 is: 9,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.24 : 15,520.14 = 6,531.78 : x
  2. Step 2: Convert to fraction form
    11,247.24/15,520.14 = 6,531.78/x
  3. Step 3: Cross multiply
    11,247.24x = 15,520.14 × 6,531.78
  4. Step 4: Simplify right side
    11,247.24x = 101,374,140.05
  5. Step 5: Solve for x
    x = 101,374,140.05/11,247.24
  6. Step 6: Final answer
    x = 9,013.25

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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.