Home / 12,766.97-19,146.20-5,370.05

Finding the Fourth Proportional to 12,766.97, 19,146.20 and 5,370.05

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Solution

The fourth proportional to 12,766.97, 19,146.20 and 5,370.05 is: 8,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.97 : 19,146.20 = 5,370.05 : x
  2. Step 2: Convert to fraction form
    12,766.97/19,146.20 = 5,370.05/x
  3. Step 3: Cross multiply
    12,766.97x = 19,146.20 × 5,370.05
  4. Step 4: Simplify right side
    12,766.97x = 102,815,928.73
  5. Step 5: Solve for x
    x = 102,815,928.73/12,766.97
  6. Step 6: Final answer
    x = 8,053.28

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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.