Home / 12,675.97-19,016.49-3,910.57

Finding the Fourth Proportional to 12,675.97, 19,016.49 and 3,910.57

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Solution

The fourth proportional to 12,675.97, 19,016.49 and 3,910.57 is: 5,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.97 : 19,016.49 = 3,910.57 : x
  2. Step 2: Convert to fraction form
    12,675.97/19,016.49 = 3,910.57/x
  3. Step 3: Cross multiply
    12,675.97x = 19,016.49 × 3,910.57
  4. Step 4: Simplify right side
    12,675.97x = 74,365,315.30
  5. Step 5: Solve for x
    x = 74,365,315.30/12,675.97
  6. Step 6: Final answer
    x = 5,866.64

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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.