Home / 18,065.76-27,091.92-6,375.84

Finding the Fourth Proportional to 18,065.76, 27,091.92 and 6,375.84

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Solution

The fourth proportional to 18,065.76, 27,091.92 and 6,375.84 is: 9,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.76 : 27,091.92 = 6,375.84 : x
  2. Step 2: Convert to fraction form
    18,065.76/27,091.92 = 6,375.84/x
  3. Step 3: Cross multiply
    18,065.76x = 27,091.92 × 6,375.84
  4. Step 4: Simplify right side
    18,065.76x = 172,733,747.21
  5. Step 5: Solve for x
    x = 172,733,747.21/18,065.76
  6. Step 6: Final answer
    x = 9,561.39

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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.