Home / 11,387.96-17,089.62-3,992.48

Finding the Fourth Proportional to 11,387.96, 17,089.62 and 3,992.48

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Solution

The fourth proportional to 11,387.96, 17,089.62 and 3,992.48 is: 5,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.96 : 17,089.62 = 3,992.48 : x
  2. Step 2: Convert to fraction form
    11,387.96/17,089.62 = 3,992.48/x
  3. Step 3: Cross multiply
    11,387.96x = 17,089.62 × 3,992.48
  4. Step 4: Simplify right side
    11,387.96x = 68,229,966.06
  5. Step 5: Solve for x
    x = 68,229,966.06/11,387.96
  6. Step 6: Final answer
    x = 5,991.41

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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.