Home / 13,193.76-19,791.94-3,833.86

Finding the Fourth Proportional to 13,193.76, 19,791.94 and 3,833.86

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Solution

The fourth proportional to 13,193.76, 19,791.94 and 3,833.86 is: 5,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.76 : 19,791.94 = 3,833.86 : x
  2. Step 2: Convert to fraction form
    13,193.76/19,791.94 = 3,833.86/x
  3. Step 3: Cross multiply
    13,193.76x = 19,791.94 × 3,833.86
  4. Step 4: Simplify right side
    13,193.76x = 75,879,525.17
  5. Step 5: Solve for x
    x = 75,879,525.17/13,193.76
  6. Step 6: Final answer
    x = 5,751.17

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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.