Home / 18,123.73-27,185.31-6,286.12

Finding the Fourth Proportional to 18,123.73, 27,185.31 and 6,286.12

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Solution

The fourth proportional to 18,123.73, 27,185.31 and 6,286.12 is: 9,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.73 : 27,185.31 = 6,286.12 : x
  2. Step 2: Convert to fraction form
    18,123.73/27,185.31 = 6,286.12/x
  3. Step 3: Cross multiply
    18,123.73x = 27,185.31 × 6,286.12
  4. Step 4: Simplify right side
    18,123.73x = 170,890,052.93
  5. Step 5: Solve for x
    x = 170,890,052.93/18,123.73
  6. Step 6: Final answer
    x = 9,429.08

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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.