Home / 11,418.43-17,117.26-4,393.96

Finding the Fourth Proportional to 11,418.43, 17,117.26 and 4,393.96

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Solution

The fourth proportional to 11,418.43, 17,117.26 and 4,393.96 is: 6,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.43 : 17,117.26 = 4,393.96 : x
  2. Step 2: Convert to fraction form
    11,418.43/17,117.26 = 4,393.96/x
  3. Step 3: Cross multiply
    11,418.43x = 17,117.26 × 4,393.96
  4. Step 4: Simplify right side
    11,418.43x = 75,212,582.64
  5. Step 5: Solve for x
    x = 75,212,582.64/11,418.43
  6. Step 6: Final answer
    x = 6,586.95

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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.