Home / 18,179.33-27,249.55-8,303.81

Finding the Fourth Proportional to 18,179.33, 27,249.55 and 8,303.81

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Solution

The fourth proportional to 18,179.33, 27,249.55 and 8,303.81 is: 12,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.33 : 27,249.55 = 8,303.81 : x
  2. Step 2: Convert to fraction form
    18,179.33/27,249.55 = 8,303.81/x
  3. Step 3: Cross multiply
    18,179.33x = 27,249.55 × 8,303.81
  4. Step 4: Simplify right side
    18,179.33x = 226,275,085.79
  5. Step 5: Solve for x
    x = 226,275,085.79/18,179.33
  6. Step 6: Final answer
    x = 12,446.83

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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.