Home / 12,203.76-18,305.33-3,884.29

Finding the Fourth Proportional to 12,203.76, 18,305.33 and 3,884.29

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Solution

The fourth proportional to 12,203.76, 18,305.33 and 3,884.29 is: 5,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.76 : 18,305.33 = 3,884.29 : x
  2. Step 2: Convert to fraction form
    12,203.76/18,305.33 = 3,884.29/x
  3. Step 3: Cross multiply
    12,203.76x = 18,305.33 × 3,884.29
  4. Step 4: Simplify right side
    12,203.76x = 71,103,145.08
  5. Step 5: Solve for x
    x = 71,103,145.08/12,203.76
  6. Step 6: Final answer
    x = 5,826.33

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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.