Home / 12,734.45-19,101.80-3,849.85

Finding the Fourth Proportional to 12,734.45, 19,101.80 and 3,849.85

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Solution

The fourth proportional to 12,734.45, 19,101.80 and 3,849.85 is: 5,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.45 : 19,101.80 = 3,849.85 : x
  2. Step 2: Convert to fraction form
    12,734.45/19,101.80 = 3,849.85/x
  3. Step 3: Cross multiply
    12,734.45x = 19,101.80 × 3,849.85
  4. Step 4: Simplify right side
    12,734.45x = 73,539,064.73
  5. Step 5: Solve for x
    x = 73,539,064.73/12,734.45
  6. Step 6: Final answer
    x = 5,774.81

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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.