Home / 13,195.92-19,791.96-4,986

Finding the Fourth Proportional to 13,195.92, 19,791.96 and 4,986

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Solution

The fourth proportional to 13,195.92, 19,791.96 and 4,986 is: 7,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.92 : 19,791.96 = 4,986 : x
  2. Step 2: Convert to fraction form
    13,195.92/19,791.96 = 4,986/x
  3. Step 3: Cross multiply
    13,195.92x = 19,791.96 × 4,986
  4. Step 4: Simplify right side
    13,195.92x = 98,682,712.56
  5. Step 5: Solve for x
    x = 98,682,712.56/13,195.92
  6. Step 6: Final answer
    x = 7,478.27

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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.