Home / 18,226.53-27,339.75-5,078.97

Finding the Fourth Proportional to 18,226.53, 27,339.75 and 5,078.97

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Solution

The fourth proportional to 18,226.53, 27,339.75 and 5,078.97 is: 7,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.53 : 27,339.75 = 5,078.97 : x
  2. Step 2: Convert to fraction form
    18,226.53/27,339.75 = 5,078.97/x
  3. Step 3: Cross multiply
    18,226.53x = 27,339.75 × 5,078.97
  4. Step 4: Simplify right side
    18,226.53x = 138,857,770.06
  5. Step 5: Solve for x
    x = 138,857,770.06/18,226.53
  6. Step 6: Final answer
    x = 7,618.44

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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.