Home / 11,418.65-17,131.43-8,093.32

Finding the Fourth Proportional to 11,418.65, 17,131.43 and 8,093.32

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Solution

The fourth proportional to 11,418.65, 17,131.43 and 8,093.32 is: 12,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.65 : 17,131.43 = 8,093.32 : x
  2. Step 2: Convert to fraction form
    11,418.65/17,131.43 = 8,093.32/x
  3. Step 3: Cross multiply
    11,418.65x = 17,131.43 × 8,093.32
  4. Step 4: Simplify right side
    11,418.65x = 138,650,145.05
  5. Step 5: Solve for x
    x = 138,650,145.05/11,418.65
  6. Step 6: Final answer
    x = 12,142.43

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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.