Home / 11,388.74-17,076.02-3,993.91

Finding the Fourth Proportional to 11,388.74, 17,076.02 and 3,993.91

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Solution

The fourth proportional to 11,388.74, 17,076.02 and 3,993.91 is: 5,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.74 : 17,076.02 = 3,993.91 : x
  2. Step 2: Convert to fraction form
    11,388.74/17,076.02 = 3,993.91/x
  3. Step 3: Cross multiply
    11,388.74x = 17,076.02 × 3,993.91
  4. Step 4: Simplify right side
    11,388.74x = 68,200,024.38
  5. Step 5: Solve for x
    x = 68,200,024.38/11,388.74
  6. Step 6: Final answer
    x = 5,988.38

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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.