Home / 18,261.44-27,393.66-5,781.11

Finding the Fourth Proportional to 18,261.44, 27,393.66 and 5,781.11

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Solution

The fourth proportional to 18,261.44, 27,393.66 and 5,781.11 is: 8,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.44 : 27,393.66 = 5,781.11 : x
  2. Step 2: Convert to fraction form
    18,261.44/27,393.66 = 5,781.11/x
  3. Step 3: Cross multiply
    18,261.44x = 27,393.66 × 5,781.11
  4. Step 4: Simplify right side
    18,261.44x = 158,365,624.79
  5. Step 5: Solve for x
    x = 158,365,624.79/18,261.44
  6. Step 6: Final answer
    x = 8,672.13

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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.