Home / 11,995.42-17,991.49-3,230.86

Finding the Fourth Proportional to 11,995.42, 17,991.49 and 3,230.86

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Solution

The fourth proportional to 11,995.42, 17,991.49 and 3,230.86 is: 4,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.42 : 17,991.49 = 3,230.86 : x
  2. Step 2: Convert to fraction form
    11,995.42/17,991.49 = 3,230.86/x
  3. Step 3: Cross multiply
    11,995.42x = 17,991.49 × 3,230.86
  4. Step 4: Simplify right side
    11,995.42x = 58,127,985.38
  5. Step 5: Solve for x
    x = 58,127,985.38/11,995.42
  6. Step 6: Final answer
    x = 4,845.85

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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.