Home / 11,949.93-17,923.64-3,185.73

Finding the Fourth Proportional to 11,949.93, 17,923.64 and 3,185.73

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Solution

The fourth proportional to 11,949.93, 17,923.64 and 3,185.73 is: 4,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.93 : 17,923.64 = 3,185.73 : x
  2. Step 2: Convert to fraction form
    11,949.93/17,923.64 = 3,185.73/x
  3. Step 3: Cross multiply
    11,949.93x = 17,923.64 × 3,185.73
  4. Step 4: Simplify right side
    11,949.93x = 57,099,861.73
  5. Step 5: Solve for x
    x = 57,099,861.73/11,949.93
  6. Step 6: Final answer
    x = 4,778.26

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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.