Home / 11,934.39-17,905.41-4,917.69

Finding the Fourth Proportional to 11,934.39, 17,905.41 and 4,917.69

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Solution

The fourth proportional to 11,934.39, 17,905.41 and 4,917.69 is: 7,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.39 : 17,905.41 = 4,917.69 : x
  2. Step 2: Convert to fraction form
    11,934.39/17,905.41 = 4,917.69/x
  3. Step 3: Cross multiply
    11,934.39x = 17,905.41 × 4,917.69
  4. Step 4: Simplify right side
    11,934.39x = 88,053,255.70
  5. Step 5: Solve for x
    x = 88,053,255.70/11,934.39
  6. Step 6: Final answer
    x = 7,378.11

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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.