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Finding the Fourth Proportional to 10,893.43, 16,321.56 and 5,966.56

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Solution

The fourth proportional to 10,893.43, 16,321.56 and 5,966.56 is: 8,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.43 : 16,321.56 = 5,966.56 : x
  2. Step 2: Convert to fraction form
    10,893.43/16,321.56 = 5,966.56/x
  3. Step 3: Cross multiply
    10,893.43x = 16,321.56 × 5,966.56
  4. Step 4: Simplify right side
    10,893.43x = 97,383,567.03
  5. Step 5: Solve for x
    x = 97,383,567.03/10,893.43
  6. Step 6: Final answer
    x = 8,939.66

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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.