Home / 11,948.83-17,918.77-3,512.79

Finding the Fourth Proportional to 11,948.83, 17,918.77 and 3,512.79

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Solution

The fourth proportional to 11,948.83, 17,918.77 and 3,512.79 is: 5,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.83 : 17,918.77 = 3,512.79 : x
  2. Step 2: Convert to fraction form
    11,948.83/17,918.77 = 3,512.79/x
  3. Step 3: Cross multiply
    11,948.83x = 17,918.77 × 3,512.79
  4. Step 4: Simplify right side
    11,948.83x = 62,944,876.07
  5. Step 5: Solve for x
    x = 62,944,876.07/11,948.83
  6. Step 6: Final answer
    x = 5,267.87

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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.