Home / 11,261.22-15,540.80-6,225.78

Finding the Fourth Proportional to 11,261.22, 15,540.80 and 6,225.78

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Solution

The fourth proportional to 11,261.22, 15,540.80 and 6,225.78 is: 8,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.22 : 15,540.80 = 6,225.78 : x
  2. Step 2: Convert to fraction form
    11,261.22/15,540.80 = 6,225.78/x
  3. Step 3: Cross multiply
    11,261.22x = 15,540.80 × 6,225.78
  4. Step 4: Simplify right side
    11,261.22x = 96,753,601.82
  5. Step 5: Solve for x
    x = 96,753,601.82/11,261.22
  6. Step 6: Final answer
    x = 8,591.75

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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.