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Finding the Fourth Proportional to 8,852.27, 13,198.14 and 8,621.42

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Solution

The fourth proportional to 8,852.27, 13,198.14 and 8,621.42 is: 12,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.27 : 13,198.14 = 8,621.42 : x
  2. Step 2: Convert to fraction form
    8,852.27/13,198.14 = 8,621.42/x
  3. Step 3: Cross multiply
    8,852.27x = 13,198.14 × 8,621.42
  4. Step 4: Simplify right side
    8,852.27x = 113,786,708.16
  5. Step 5: Solve for x
    x = 113,786,708.16/8,852.27
  6. Step 6: Final answer
    x = 12,853.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.