Home / 11,791.96-17,688.18-5,217.88

Finding the Fourth Proportional to 11,791.96, 17,688.18 and 5,217.88

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Solution

The fourth proportional to 11,791.96, 17,688.18 and 5,217.88 is: 7,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.96 : 17,688.18 = 5,217.88 : x
  2. Step 2: Convert to fraction form
    11,791.96/17,688.18 = 5,217.88/x
  3. Step 3: Cross multiply
    11,791.96x = 17,688.18 × 5,217.88
  4. Step 4: Simplify right side
    11,791.96x = 92,294,800.66
  5. Step 5: Solve for x
    x = 92,294,800.66/11,791.96
  6. Step 6: Final answer
    x = 7,826.93

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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.