Home / 11,916.88-17,876.52-4,125.66

Finding the Fourth Proportional to 11,916.88, 17,876.52 and 4,125.66

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Solution

The fourth proportional to 11,916.88, 17,876.52 and 4,125.66 is: 6,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.88 : 17,876.52 = 4,125.66 : x
  2. Step 2: Convert to fraction form
    11,916.88/17,876.52 = 4,125.66/x
  3. Step 3: Cross multiply
    11,916.88x = 17,876.52 × 4,125.66
  4. Step 4: Simplify right side
    11,916.88x = 73,752,443.50
  5. Step 5: Solve for x
    x = 73,752,443.50/11,916.88
  6. Step 6: Final answer
    x = 6,188.91

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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.