Home / 11,917.31-17,872.48-4,516.43

Finding the Fourth Proportional to 11,917.31, 17,872.48 and 4,516.43

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Solution

The fourth proportional to 11,917.31, 17,872.48 and 4,516.43 is: 6,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.31 : 17,872.48 = 4,516.43 : x
  2. Step 2: Convert to fraction form
    11,917.31/17,872.48 = 4,516.43/x
  3. Step 3: Cross multiply
    11,917.31x = 17,872.48 × 4,516.43
  4. Step 4: Simplify right side
    11,917.31x = 80,719,804.85
  5. Step 5: Solve for x
    x = 80,719,804.85/11,917.31
  6. Step 6: Final answer
    x = 6,773.32

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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.