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Finding the Fourth Proportional to 8,012.57, 12,017.43 and 2,169.63

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Solution

The fourth proportional to 8,012.57, 12,017.43 and 2,169.63 is: 3,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.57 : 12,017.43 = 2,169.63 : x
  2. Step 2: Convert to fraction form
    8,012.57/12,017.43 = 2,169.63/x
  3. Step 3: Cross multiply
    8,012.57x = 12,017.43 × 2,169.63
  4. Step 4: Simplify right side
    8,012.57x = 26,073,376.65
  5. Step 5: Solve for x
    x = 26,073,376.65/8,012.57
  6. Step 6: Final answer
    x = 3,254.06

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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.