Home / 18,144.48-27,216.88-4,996.56

Finding the Fourth Proportional to 18,144.48, 27,216.88 and 4,996.56

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Solution

The fourth proportional to 18,144.48, 27,216.88 and 4,996.56 is: 7,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.48 : 27,216.88 = 4,996.56 : x
  2. Step 2: Convert to fraction form
    18,144.48/27,216.88 = 4,996.56/x
  3. Step 3: Cross multiply
    18,144.48x = 27,216.88 × 4,996.56
  4. Step 4: Simplify right side
    18,144.48x = 135,990,773.93
  5. Step 5: Solve for x
    x = 135,990,773.93/18,144.48
  6. Step 6: Final answer
    x = 7,494.88

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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.