Home / 18,139.44-27,209.30-4,992.53

Finding the Fourth Proportional to 18,139.44, 27,209.30 and 4,992.53

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Solution

The fourth proportional to 18,139.44, 27,209.30 and 4,992.53 is: 7,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.44 : 27,209.30 = 4,992.53 : x
  2. Step 2: Convert to fraction form
    18,139.44/27,209.30 = 4,992.53/x
  3. Step 3: Cross multiply
    18,139.44x = 27,209.30 × 4,992.53
  4. Step 4: Simplify right side
    18,139.44x = 135,843,246.53
  5. Step 5: Solve for x
    x = 135,843,246.53/18,139.44
  6. Step 6: Final answer
    x = 7,488.83

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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.