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Finding the Fourth Proportional to 11,992.04, 17,987.98 and 3,784.04

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Solution

The fourth proportional to 11,992.04, 17,987.98 and 3,784.04 is: 5,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.04 : 17,987.98 = 3,784.04 : x
  2. Step 2: Convert to fraction form
    11,992.04/17,987.98 = 3,784.04/x
  3. Step 3: Cross multiply
    11,992.04x = 17,987.98 × 3,784.04
  4. Step 4: Simplify right side
    11,992.04x = 68,067,235.84
  5. Step 5: Solve for x
    x = 68,067,235.84/11,992.04
  6. Step 6: Final answer
    x = 5,676.03

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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.