Home / 11,931.38-17,893.62-3,609.44

Finding the Fourth Proportional to 11,931.38, 17,893.62 and 3,609.44

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Solution

The fourth proportional to 11,931.38, 17,893.62 and 3,609.44 is: 5,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.38 : 17,893.62 = 3,609.44 : x
  2. Step 2: Convert to fraction form
    11,931.38/17,893.62 = 3,609.44/x
  3. Step 3: Cross multiply
    11,931.38x = 17,893.62 × 3,609.44
  4. Step 4: Simplify right side
    11,931.38x = 64,585,858.30
  5. Step 5: Solve for x
    x = 64,585,858.30/11,931.38
  6. Step 6: Final answer
    x = 5,413.11

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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.