Home / 11,942.67-17,912.01-3,620.70

Finding the Fourth Proportional to 11,942.67, 17,912.01 and 3,620.70

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Solution

The fourth proportional to 11,942.67, 17,912.01 and 3,620.70 is: 5,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.67 : 17,912.01 = 3,620.70 : x
  2. Step 2: Convert to fraction form
    11,942.67/17,912.01 = 3,620.70/x
  3. Step 3: Cross multiply
    11,942.67x = 17,912.01 × 3,620.70
  4. Step 4: Simplify right side
    11,942.67x = 64,853,952.35
  5. Step 5: Solve for x
    x = 64,853,952.35/11,942.67
  6. Step 6: Final answer
    x = 5,430.44

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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.