Home / 18,738.33-28,104.41-6,727.99

Finding the Fourth Proportional to 18,738.33, 28,104.41 and 6,727.99

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Solution

The fourth proportional to 18,738.33, 28,104.41 and 6,727.99 is: 10,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.33 : 28,104.41 = 6,727.99 : x
  2. Step 2: Convert to fraction form
    18,738.33/28,104.41 = 6,727.99/x
  3. Step 3: Cross multiply
    18,738.33x = 28,104.41 × 6,727.99
  4. Step 4: Simplify right side
    18,738.33x = 189,086,294.08
  5. Step 5: Solve for x
    x = 189,086,294.08/18,738.33
  6. Step 6: Final answer
    x = 10,090.88

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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.