Home / 11,998.44-17,991.20-4,601.32

Finding the Fourth Proportional to 11,998.44, 17,991.20 and 4,601.32

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Solution

The fourth proportional to 11,998.44, 17,991.20 and 4,601.32 is: 6,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.44 : 17,991.20 = 4,601.32 : x
  2. Step 2: Convert to fraction form
    11,998.44/17,991.20 = 4,601.32/x
  3. Step 3: Cross multiply
    11,998.44x = 17,991.20 × 4,601.32
  4. Step 4: Simplify right side
    11,998.44x = 82,783,268.38
  5. Step 5: Solve for x
    x = 82,783,268.38/11,998.44
  6. Step 6: Final answer
    x = 6,899.50

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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.