Home / 17,391.15-23,992.34-11,729.55

Finding the Fourth Proportional to 17,391.15, 23,992.34 and 11,729.55

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Solution

The fourth proportional to 17,391.15, 23,992.34 and 11,729.55 is: 16,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.15 : 23,992.34 = 11,729.55 : x
  2. Step 2: Convert to fraction form
    17,391.15/23,992.34 = 11,729.55/x
  3. Step 3: Cross multiply
    17,391.15x = 23,992.34 × 11,729.55
  4. Step 4: Simplify right side
    17,391.15x = 281,419,293.00
  5. Step 5: Solve for x
    x = 281,419,293.00/17,391.15
  6. Step 6: Final answer
    x = 16,181.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.