Home / 11,876.94-17,816.43-3,111.85

Finding the Fourth Proportional to 11,876.94, 17,816.43 and 3,111.85

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Solution

The fourth proportional to 11,876.94, 17,816.43 and 3,111.85 is: 4,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.94 : 17,816.43 = 3,111.85 : x
  2. Step 2: Convert to fraction form
    11,876.94/17,816.43 = 3,111.85/x
  3. Step 3: Cross multiply
    11,876.94x = 17,816.43 × 3,111.85
  4. Step 4: Simplify right side
    11,876.94x = 55,442,057.70
  5. Step 5: Solve for x
    x = 55,442,057.70/11,876.94
  6. Step 6: Final answer
    x = 4,668.04

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1.5x scale

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.