Home / 12,791.49-19,175.94-4,994.85

Finding the Fourth Proportional to 12,791.49, 19,175.94 and 4,994.85

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Solution

The fourth proportional to 12,791.49, 19,175.94 and 4,994.85 is: 7,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.49 : 19,175.94 = 4,994.85 : x
  2. Step 2: Convert to fraction form
    12,791.49/19,175.94 = 4,994.85/x
  3. Step 3: Cross multiply
    12,791.49x = 19,175.94 × 4,994.85
  4. Step 4: Simplify right side
    12,791.49x = 95,780,943.91
  5. Step 5: Solve for x
    x = 95,780,943.91/12,791.49
  6. Step 6: Final answer
    x = 7,487.86

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1.5x scale

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.