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Finding the Fourth Proportional to 17,309.08, 25,965.76 and 6,777.73

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Solution

The fourth proportional to 17,309.08, 25,965.76 and 6,777.73 is: 10,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.08 : 25,965.76 = 6,777.73 : x
  2. Step 2: Convert to fraction form
    17,309.08/25,965.76 = 6,777.73/x
  3. Step 3: Cross multiply
    17,309.08x = 25,965.76 × 6,777.73
  4. Step 4: Simplify right side
    17,309.08x = 175,988,910.52
  5. Step 5: Solve for x
    x = 175,988,910.52/17,309.08
  6. Step 6: Final answer
    x = 10,167.43

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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.