Home / 18,204.13-27,309.23-8,860.78

Finding the Fourth Proportional to 18,204.13, 27,309.23 and 8,860.78

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Solution

The fourth proportional to 18,204.13, 27,309.23 and 8,860.78 is: 13,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.13 : 27,309.23 = 8,860.78 : x
  2. Step 2: Convert to fraction form
    18,204.13/27,309.23 = 8,860.78/x
  3. Step 3: Cross multiply
    18,204.13x = 27,309.23 × 8,860.78
  4. Step 4: Simplify right side
    18,204.13x = 241,981,079.00
  5. Step 5: Solve for x
    x = 241,981,079.00/18,204.13
  6. Step 6: Final answer
    x = 13,292.65

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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.