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Finding the Fourth Proportional to 17,797.75, 26,692.67 and 7,930.73

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Solution

The fourth proportional to 17,797.75, 26,692.67 and 7,930.73 is: 11,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,797.75 : 26,692.67 = 7,930.73 : x
  2. Step 2: Convert to fraction form
    17,797.75/26,692.67 = 7,930.73/x
  3. Step 3: Cross multiply
    17,797.75x = 26,692.67 × 7,930.73
  4. Step 4: Simplify right side
    17,797.75x = 211,692,445.31
  5. Step 5: Solve for x
    x = 211,692,445.31/17,797.75
  6. Step 6: Final answer
    x = 11,894.34

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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.