Home / 11,829.04-17,745.26-3,928.87

Finding the Fourth Proportional to 11,829.04, 17,745.26 and 3,928.87

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Solution

The fourth proportional to 11,829.04, 17,745.26 and 3,928.87 is: 5,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.04 : 17,745.26 = 3,928.87 : x
  2. Step 2: Convert to fraction form
    11,829.04/17,745.26 = 3,928.87/x
  3. Step 3: Cross multiply
    11,829.04x = 17,745.26 × 3,928.87
  4. Step 4: Simplify right side
    11,829.04x = 69,718,819.66
  5. Step 5: Solve for x
    x = 69,718,819.66/11,829.04
  6. Step 6: Final answer
    x = 5,893.87

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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.