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Finding the Fourth Proportional to 12,794.60, 17,737.07 and 12,093.80

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Solution

The fourth proportional to 12,794.60, 17,737.07 and 12,093.80 is: 16,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.60 : 17,737.07 = 12,093.80 : x
  2. Step 2: Convert to fraction form
    12,794.60/17,737.07 = 12,093.80/x
  3. Step 3: Cross multiply
    12,794.60x = 17,737.07 × 12,093.80
  4. Step 4: Simplify right side
    12,794.60x = 214,508,577.17
  5. Step 5: Solve for x
    x = 214,508,577.17/12,794.60
  6. Step 6: Final answer
    x = 16,765.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.