Home / 11,917.94-17,876.73-4,126.82

Finding the Fourth Proportional to 11,917.94, 17,876.73 and 4,126.82

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Solution

The fourth proportional to 11,917.94, 17,876.73 and 4,126.82 is: 6,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.94 : 17,876.73 = 4,126.82 : x
  2. Step 2: Convert to fraction form
    11,917.94/17,876.73 = 4,126.82/x
  3. Step 3: Cross multiply
    11,917.94x = 17,876.73 × 4,126.82
  4. Step 4: Simplify right side
    11,917.94x = 73,774,046.90
  5. Step 5: Solve for x
    x = 73,774,046.90/11,917.94
  6. Step 6: Final answer
    x = 6,190.17

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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.