Home / 11,118.96-16,680.26-4,543.38

Finding the Fourth Proportional to 11,118.96, 16,680.26 and 4,543.38

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Solution

The fourth proportional to 11,118.96, 16,680.26 and 4,543.38 is: 6,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.96 : 16,680.26 = 4,543.38 : x
  2. Step 2: Convert to fraction form
    11,118.96/16,680.26 = 4,543.38/x
  3. Step 3: Cross multiply
    11,118.96x = 16,680.26 × 4,543.38
  4. Step 4: Simplify right side
    11,118.96x = 75,784,759.68
  5. Step 5: Solve for x
    x = 75,784,759.68/11,118.96
  6. Step 6: Final answer
    x = 6,815.81

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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.