Home / 18,226.97-27,329.67-7,120.79

Finding the Fourth Proportional to 18,226.97, 27,329.67 and 7,120.79

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Solution

The fourth proportional to 18,226.97, 27,329.67 and 7,120.79 is: 10,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.97 : 27,329.67 = 7,120.79 : x
  2. Step 2: Convert to fraction form
    18,226.97/27,329.67 = 7,120.79/x
  3. Step 3: Cross multiply
    18,226.97x = 27,329.67 × 7,120.79
  4. Step 4: Simplify right side
    18,226.97x = 194,608,806.68
  5. Step 5: Solve for x
    x = 194,608,806.68/18,226.97
  6. Step 6: Final answer
    x = 10,676.97

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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.