Home / 11,968.52-17,934.60-5,719.92

Finding the Fourth Proportional to 11,968.52, 17,934.60 and 5,719.92

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Solution

The fourth proportional to 11,968.52, 17,934.60 and 5,719.92 is: 8,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.52 : 17,934.60 = 5,719.92 : x
  2. Step 2: Convert to fraction form
    11,968.52/17,934.60 = 5,719.92/x
  3. Step 3: Cross multiply
    11,968.52x = 17,934.60 × 5,719.92
  4. Step 4: Simplify right side
    11,968.52x = 102,584,477.23
  5. Step 5: Solve for x
    x = 102,584,477.23/11,968.52
  6. Step 6: Final answer
    x = 8,571.19

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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.