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Finding the Fourth Proportional to 8,843.64, 13,202.22 and 8,536.20

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Solution

The fourth proportional to 8,843.64, 13,202.22 and 8,536.20 is: 12,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.64 : 13,202.22 = 8,536.20 : x
  2. Step 2: Convert to fraction form
    8,843.64/13,202.22 = 8,536.20/x
  3. Step 3: Cross multiply
    8,843.64x = 13,202.22 × 8,536.20
  4. Step 4: Simplify right side
    8,843.64x = 112,696,790.36
  5. Step 5: Solve for x
    x = 112,696,790.36/8,843.64
  6. Step 6: Final answer
    x = 12,743.26

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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.