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Finding the Fourth Proportional to 8,808.94, 13,266.19 and 8,021.62

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Solution

The fourth proportional to 8,808.94, 13,266.19 and 8,021.62 is: 12,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.94 : 13,266.19 = 8,021.62 : x
  2. Step 2: Convert to fraction form
    8,808.94/13,266.19 = 8,021.62/x
  3. Step 3: Cross multiply
    8,808.94x = 13,266.19 × 8,021.62
  4. Step 4: Simplify right side
    8,808.94x = 106,416,335.03
  5. Step 5: Solve for x
    x = 106,416,335.03/8,808.94
  6. Step 6: Final answer
    x = 12,080.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.