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Finding the Fourth Proportional to 8,168.13, 12,252.25 and 2,012.13

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Solution

The fourth proportional to 8,168.13, 12,252.25 and 2,012.13 is: 3,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.13 : 12,252.25 = 2,012.13 : x
  2. Step 2: Convert to fraction form
    8,168.13/12,252.25 = 2,012.13/x
  3. Step 3: Cross multiply
    8,168.13x = 12,252.25 × 2,012.13
  4. Step 4: Simplify right side
    8,168.13x = 24,653,119.79
  5. Step 5: Solve for x
    x = 24,653,119.79/8,168.13
  6. Step 6: Final answer
    x = 3,018.21

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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.