Home / 11,984.24-17,977.44-3,219.09

Finding the Fourth Proportional to 11,984.24, 17,977.44 and 3,219.09

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Solution

The fourth proportional to 11,984.24, 17,977.44 and 3,219.09 is: 4,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.24 : 17,977.44 = 3,219.09 : x
  2. Step 2: Convert to fraction form
    11,984.24/17,977.44 = 3,219.09/x
  3. Step 3: Cross multiply
    11,984.24x = 17,977.44 × 3,219.09
  4. Step 4: Simplify right side
    11,984.24x = 57,870,997.33
  5. Step 5: Solve for x
    x = 57,870,997.33/11,984.24
  6. Step 6: Final answer
    x = 4,828.93

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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.