Home / 11,959.09-17,941.37-3,640.29

Finding the Fourth Proportional to 11,959.09, 17,941.37 and 3,640.29

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Solution

The fourth proportional to 11,959.09, 17,941.37 and 3,640.29 is: 5,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.09 : 17,941.37 = 3,640.29 : x
  2. Step 2: Convert to fraction form
    11,959.09/17,941.37 = 3,640.29/x
  3. Step 3: Cross multiply
    11,959.09x = 17,941.37 × 3,640.29
  4. Step 4: Simplify right side
    11,959.09x = 65,311,789.80
  5. Step 5: Solve for x
    x = 65,311,789.80/11,959.09
  6. Step 6: Final answer
    x = 5,461.27

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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.