Home / 18,134.44-27,198.78-7,046.20

Finding the Fourth Proportional to 18,134.44, 27,198.78 and 7,046.20

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Solution

The fourth proportional to 18,134.44, 27,198.78 and 7,046.20 is: 10,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.44 : 27,198.78 = 7,046.20 : x
  2. Step 2: Convert to fraction form
    18,134.44/27,198.78 = 7,046.20/x
  3. Step 3: Cross multiply
    18,134.44x = 27,198.78 × 7,046.20
  4. Step 4: Simplify right side
    18,134.44x = 191,648,043.64
  5. Step 5: Solve for x
    x = 191,648,043.64/18,134.44
  6. Step 6: Final answer
    x = 10,568.18

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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.