Home / 13,252.11-19,879.07-3,391.47

Finding the Fourth Proportional to 13,252.11, 19,879.07 and 3,391.47

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Solution

The fourth proportional to 13,252.11, 19,879.07 and 3,391.47 is: 5,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.11 : 19,879.07 = 3,391.47 : x
  2. Step 2: Convert to fraction form
    13,252.11/19,879.07 = 3,391.47/x
  3. Step 3: Cross multiply
    13,252.11x = 19,879.07 × 3,391.47
  4. Step 4: Simplify right side
    13,252.11x = 67,419,271.65
  5. Step 5: Solve for x
    x = 67,419,271.65/13,252.11
  6. Step 6: Final answer
    x = 5,087.44

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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.