Home / 11,719.30-17,578.44-3,399.14

Finding the Fourth Proportional to 11,719.30, 17,578.44 and 3,399.14

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Solution

The fourth proportional to 11,719.30, 17,578.44 and 3,399.14 is: 5,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.30 : 17,578.44 = 3,399.14 : x
  2. Step 2: Convert to fraction form
    11,719.30/17,578.44 = 3,399.14/x
  3. Step 3: Cross multiply
    11,719.30x = 17,578.44 × 3,399.14
  4. Step 4: Simplify right side
    11,719.30x = 59,751,578.54
  5. Step 5: Solve for x
    x = 59,751,578.54/11,719.30
  6. Step 6: Final answer
    x = 5,098.56

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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.