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Finding the Fourth Proportional to 17,334.58, 25,980.98 and 7,961.66

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Solution

The fourth proportional to 17,334.58, 25,980.98 and 7,961.66 is: 11,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,334.58 : 25,980.98 = 7,961.66 : x
  2. Step 2: Convert to fraction form
    17,334.58/25,980.98 = 7,961.66/x
  3. Step 3: Cross multiply
    17,334.58x = 25,980.98 × 7,961.66
  4. Step 4: Simplify right side
    17,334.58x = 206,851,689.42
  5. Step 5: Solve for x
    x = 206,851,689.42/17,334.58
  6. Step 6: Final answer
    x = 11,932.90

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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.