Home / 18,727.54-28,081.88-6,243.18

Finding the Fourth Proportional to 18,727.54, 28,081.88 and 6,243.18

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Solution

The fourth proportional to 18,727.54, 28,081.88 and 6,243.18 is: 9,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.54 : 28,081.88 = 6,243.18 : x
  2. Step 2: Convert to fraction form
    18,727.54/28,081.88 = 6,243.18/x
  3. Step 3: Cross multiply
    18,727.54x = 28,081.88 × 6,243.18
  4. Step 4: Simplify right side
    18,727.54x = 175,320,231.58
  5. Step 5: Solve for x
    x = 175,320,231.58/18,727.54
  6. Step 6: Final answer
    x = 9,361.63

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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.