Home / 11,149.80-16,724.66-2,829.80

Finding the Fourth Proportional to 11,149.80, 16,724.66 and 2,829.80

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Solution

The fourth proportional to 11,149.80, 16,724.66 and 2,829.80 is: 4,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.80 : 16,724.66 = 2,829.80 : x
  2. Step 2: Convert to fraction form
    11,149.80/16,724.66 = 2,829.80/x
  3. Step 3: Cross multiply
    11,149.80x = 16,724.66 × 2,829.80
  4. Step 4: Simplify right side
    11,149.80x = 47,327,345.10
  5. Step 5: Solve for x
    x = 47,327,345.10/11,149.80
  6. Step 6: Final answer
    x = 4,244.68

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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.