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Finding the Fourth Proportional to 8,884.89, 13,327.29 and 8,343.63

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Solution

The fourth proportional to 8,884.89, 13,327.29 and 8,343.63 is: 12,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.89 : 13,327.29 = 8,343.63 : x
  2. Step 2: Convert to fraction form
    8,884.89/13,327.29 = 8,343.63/x
  3. Step 3: Cross multiply
    8,884.89x = 13,327.29 × 8,343.63
  4. Step 4: Simplify right side
    8,884.89x = 111,197,976.66
  5. Step 5: Solve for x
    x = 111,197,976.66/8,884.89
  6. Step 6: Final answer
    x = 12,515.40

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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.