Home / 18,185.19-27,272.31-11,944.95

Finding the Fourth Proportional to 18,185.19, 27,272.31 and 11,944.95

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Solution

The fourth proportional to 18,185.19, 27,272.31 and 11,944.95 is: 17,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.19 : 27,272.31 = 11,944.95 : x
  2. Step 2: Convert to fraction form
    18,185.19/27,272.31 = 11,944.95/x
  3. Step 3: Cross multiply
    18,185.19x = 27,272.31 × 11,944.95
  4. Step 4: Simplify right side
    18,185.19x = 325,766,379.33
  5. Step 5: Solve for x
    x = 325,766,379.33/18,185.19
  6. Step 6: Final answer
    x = 17,913.83

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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.