Home / 22,619.60-33,917.81-11,951.69

Finding the Fourth Proportional to 22,619.60, 33,917.81 and 11,951.69

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Solution

The fourth proportional to 22,619.60, 33,917.81 and 11,951.69 is: 17,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.60 : 33,917.81 = 11,951.69 : x
  2. Step 2: Convert to fraction form
    22,619.60/33,917.81 = 11,951.69/x
  3. Step 3: Cross multiply
    22,619.60x = 33,917.81 × 11,951.69
  4. Step 4: Simplify right side
    22,619.60x = 405,375,180.48
  5. Step 5: Solve for x
    x = 405,375,180.48/22,619.60
  6. Step 6: Final answer
    x = 17,921.41

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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.