Home / 11,997.89-17,994.77-3,230.75

Finding the Fourth Proportional to 11,997.89, 17,994.77 and 3,230.75

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Solution

The fourth proportional to 11,997.89, 17,994.77 and 3,230.75 is: 4,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.89 : 17,994.77 = 3,230.75 : x
  2. Step 2: Convert to fraction form
    11,997.89/17,994.77 = 3,230.75/x
  3. Step 3: Cross multiply
    11,997.89x = 17,994.77 × 3,230.75
  4. Step 4: Simplify right side
    11,997.89x = 58,136,497.05
  5. Step 5: Solve for x
    x = 58,136,497.05/11,997.89
  6. Step 6: Final answer
    x = 4,845.56

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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.