Home / 12,714.39-19,072.82-3,946.95

Finding the Fourth Proportional to 12,714.39, 19,072.82 and 3,946.95

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Solution

The fourth proportional to 12,714.39, 19,072.82 and 3,946.95 is: 5,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.39 : 19,072.82 = 3,946.95 : x
  2. Step 2: Convert to fraction form
    12,714.39/19,072.82 = 3,946.95/x
  3. Step 3: Cross multiply
    12,714.39x = 19,072.82 × 3,946.95
  4. Step 4: Simplify right side
    12,714.39x = 75,279,447.16
  5. Step 5: Solve for x
    x = 75,279,447.16/12,714.39
  6. Step 6: Final answer
    x = 5,920.81

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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.