Home / 13,929.26-20,894.14-3,399.31

Finding the Fourth Proportional to 13,929.26, 20,894.14 and 3,399.31

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Solution

The fourth proportional to 13,929.26, 20,894.14 and 3,399.31 is: 5,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.26 : 20,894.14 = 3,399.31 : x
  2. Step 2: Convert to fraction form
    13,929.26/20,894.14 = 3,399.31/x
  3. Step 3: Cross multiply
    13,929.26x = 20,894.14 × 3,399.31
  4. Step 4: Simplify right side
    13,929.26x = 71,025,554.57
  5. Step 5: Solve for x
    x = 71,025,554.57/13,929.26
  6. Step 6: Final answer
    x = 5,099.02

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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.