Home / 18,962.96-28,454.04-12,794

Finding the Fourth Proportional to 18,962.96, 28,454.04 and 12,794

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Solution

The fourth proportional to 18,962.96, 28,454.04 and 12,794 is: 19,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.96 : 28,454.04 = 12,794 : x
  2. Step 2: Convert to fraction form
    18,962.96/28,454.04 = 12,794/x
  3. Step 3: Cross multiply
    18,962.96x = 28,454.04 × 12,794
  4. Step 4: Simplify right side
    18,962.96x = 364,040,987.76
  5. Step 5: Solve for x
    x = 364,040,987.76/18,962.96
  6. Step 6: Final answer
    x = 19,197.48

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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.