Home / 8,112.69-12,169.06-2,269.35

Finding the Fourth Proportional to 8,112.69, 12,169.06 and 2,269.35

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Solution

The fourth proportional to 8,112.69, 12,169.06 and 2,269.35 is: 3,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.69 : 12,169.06 = 2,269.35 : x
  2. Step 2: Convert to fraction form
    8,112.69/12,169.06 = 2,269.35/x
  3. Step 3: Cross multiply
    8,112.69x = 12,169.06 × 2,269.35
  4. Step 4: Simplify right side
    8,112.69x = 27,615,850.64
  5. Step 5: Solve for x
    x = 27,615,850.64/8,112.69
  6. Step 6: Final answer
    x = 3,404.03

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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.