Home / 13,255.56-19,882.88-3,394.92

Finding the Fourth Proportional to 13,255.56, 19,882.88 and 3,394.92

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Solution

The fourth proportional to 13,255.56, 19,882.88 and 3,394.92 is: 5,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.56 : 19,882.88 = 3,394.92 : x
  2. Step 2: Convert to fraction form
    13,255.56/19,882.88 = 3,394.92/x
  3. Step 3: Cross multiply
    13,255.56x = 19,882.88 × 3,394.92
  4. Step 4: Simplify right side
    13,255.56x = 67,500,857.29
  5. Step 5: Solve for x
    x = 67,500,857.29/13,255.56
  6. Step 6: Final answer
    x = 5,092.27

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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.