Home / 8,112.74-12,169.58-2,269.35

Finding the Fourth Proportional to 8,112.74, 12,169.58 and 2,269.35

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Solution

The fourth proportional to 8,112.74, 12,169.58 and 2,269.35 is: 3,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.74 : 12,169.58 = 2,269.35 : x
  2. Step 2: Convert to fraction form
    8,112.74/12,169.58 = 2,269.35/x
  3. Step 3: Cross multiply
    8,112.74x = 12,169.58 × 2,269.35
  4. Step 4: Simplify right side
    8,112.74x = 27,617,025.03
  5. Step 5: Solve for x
    x = 27,617,025.03/8,112.74
  6. Step 6: Final answer
    x = 3,404.16

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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.