Home / 13,192.20-19,785.20-3,829.75

Finding the Fourth Proportional to 13,192.20, 19,785.20 and 3,829.75

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Solution

The fourth proportional to 13,192.20, 19,785.20 and 3,829.75 is: 5,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.20 : 19,785.20 = 3,829.75 : x
  2. Step 2: Convert to fraction form
    13,192.20/19,785.20 = 3,829.75/x
  3. Step 3: Cross multiply
    13,192.20x = 19,785.20 × 3,829.75
  4. Step 4: Simplify right side
    13,192.20x = 75,772,301.09
  5. Step 5: Solve for x
    x = 75,772,301.09/13,192.20
  6. Step 6: Final answer
    x = 5,743.72

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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.