Home / 13,828.52-20,745.86-3,967.04

Finding the Fourth Proportional to 13,828.52, 20,745.86 and 3,967.04

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Solution

The fourth proportional to 13,828.52, 20,745.86 and 3,967.04 is: 5,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.52 : 20,745.86 = 3,967.04 : x
  2. Step 2: Convert to fraction form
    13,828.52/20,745.86 = 3,967.04/x
  3. Step 3: Cross multiply
    13,828.52x = 20,745.86 × 3,967.04
  4. Step 4: Simplify right side
    13,828.52x = 82,299,636.62
  5. Step 5: Solve for x
    x = 82,299,636.62/13,828.52
  6. Step 6: Final answer
    x = 5,951.44

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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.