Home / 11,467.14-17,198.91-3,147.78

Finding the Fourth Proportional to 11,467.14, 17,198.91 and 3,147.78

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Solution

The fourth proportional to 11,467.14, 17,198.91 and 3,147.78 is: 4,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.14 : 17,198.91 = 3,147.78 : x
  2. Step 2: Convert to fraction form
    11,467.14/17,198.91 = 3,147.78/x
  3. Step 3: Cross multiply
    11,467.14x = 17,198.91 × 3,147.78
  4. Step 4: Simplify right side
    11,467.14x = 54,138,384.92
  5. Step 5: Solve for x
    x = 54,138,384.92/11,467.14
  6. Step 6: Final answer
    x = 4,721.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.