Home / 11,876.89-17,810.32-3,558.09

Finding the Fourth Proportional to 11,876.89, 17,810.32 and 3,558.09

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Solution

The fourth proportional to 11,876.89, 17,810.32 and 3,558.09 is: 5,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.89 : 17,810.32 = 3,558.09 : x
  2. Step 2: Convert to fraction form
    11,876.89/17,810.32 = 3,558.09/x
  3. Step 3: Cross multiply
    11,876.89x = 17,810.32 × 3,558.09
  4. Step 4: Simplify right side
    11,876.89x = 63,370,623.54
  5. Step 5: Solve for x
    x = 63,370,623.54/11,876.89
  6. Step 6: Final answer
    x = 5,335.63

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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.