Home / 18,173.16-27,231.92-12,228.03

Finding the Fourth Proportional to 18,173.16, 27,231.92 and 12,228.03

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Solution

The fourth proportional to 18,173.16, 27,231.92 and 12,228.03 is: 18,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.16 : 27,231.92 = 12,228.03 : x
  2. Step 2: Convert to fraction form
    18,173.16/27,231.92 = 12,228.03/x
  3. Step 3: Cross multiply
    18,173.16x = 27,231.92 × 12,228.03
  4. Step 4: Simplify right side
    18,173.16x = 332,992,537.42
  5. Step 5: Solve for x
    x = 332,992,537.42/18,173.16
  6. Step 6: Final answer
    x = 18,323.32

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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.