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Finding the Fourth Proportional to 8,046.50, 12,069.21 and 2,203.16

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Solution

The fourth proportional to 8,046.50, 12,069.21 and 2,203.16 is: 3,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.50 : 12,069.21 = 2,203.16 : x
  2. Step 2: Convert to fraction form
    8,046.50/12,069.21 = 2,203.16/x
  3. Step 3: Cross multiply
    8,046.50x = 12,069.21 × 2,203.16
  4. Step 4: Simplify right side
    8,046.50x = 26,590,400.70
  5. Step 5: Solve for x
    x = 26,590,400.70/8,046.50
  6. Step 6: Final answer
    x = 3,304.59

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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.