Home / 11,998.08-17,997.09-3,678.06

Finding the Fourth Proportional to 11,998.08, 17,997.09 and 3,678.06

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Solution

The fourth proportional to 11,998.08, 17,997.09 and 3,678.06 is: 5,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.08 : 17,997.09 = 3,678.06 : x
  2. Step 2: Convert to fraction form
    11,998.08/17,997.09 = 3,678.06/x
  3. Step 3: Cross multiply
    11,998.08x = 17,997.09 × 3,678.06
  4. Step 4: Simplify right side
    11,998.08x = 66,194,376.85
  5. Step 5: Solve for x
    x = 66,194,376.85/11,998.08
  6. Step 6: Final answer
    x = 5,517.08

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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.