Home / 11,968.63-17,940.69-5,399.44

Finding the Fourth Proportional to 11,968.63, 17,940.69 and 5,399.44

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Solution

The fourth proportional to 11,968.63, 17,940.69 and 5,399.44 is: 8,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.63 : 17,940.69 = 5,399.44 : x
  2. Step 2: Convert to fraction form
    11,968.63/17,940.69 = 5,399.44/x
  3. Step 3: Cross multiply
    11,968.63x = 17,940.69 × 5,399.44
  4. Step 4: Simplify right side
    11,968.63x = 96,869,634.36
  5. Step 5: Solve for x
    x = 96,869,634.36/11,968.63
  6. Step 6: Final answer
    x = 8,093.63

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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.