Home / 11,317.62-16,951.86-6,921.75

Finding the Fourth Proportional to 11,317.62, 16,951.86 and 6,921.75

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Solution

The fourth proportional to 11,317.62, 16,951.86 and 6,921.75 is: 10,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.62 : 16,951.86 = 6,921.75 : x
  2. Step 2: Convert to fraction form
    11,317.62/16,951.86 = 6,921.75/x
  3. Step 3: Cross multiply
    11,317.62x = 16,951.86 × 6,921.75
  4. Step 4: Simplify right side
    11,317.62x = 117,336,536.96
  5. Step 5: Solve for x
    x = 117,336,536.96/11,317.62
  6. Step 6: Final answer
    x = 10,367.60

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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.