Home / 18,239.72-27,281.82-11,202.44

Finding the Fourth Proportional to 18,239.72, 27,281.82 and 11,202.44

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Solution

The fourth proportional to 18,239.72, 27,281.82 and 11,202.44 is: 16,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.72 : 27,281.82 = 11,202.44 : x
  2. Step 2: Convert to fraction form
    18,239.72/27,281.82 = 11,202.44/x
  3. Step 3: Cross multiply
    18,239.72x = 27,281.82 × 11,202.44
  4. Step 4: Simplify right side
    18,239.72x = 305,622,951.64
  5. Step 5: Solve for x
    x = 305,622,951.64/18,239.72
  6. Step 6: Final answer
    x = 16,755.90

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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.