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Finding the Fourth Proportional to 9,644.25, 13,387.11 and 9,410.97

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Solution

The fourth proportional to 9,644.25, 13,387.11 and 9,410.97 is: 13,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.25 : 13,387.11 = 9,410.97 : x
  2. Step 2: Convert to fraction form
    9,644.25/13,387.11 = 9,410.97/x
  3. Step 3: Cross multiply
    9,644.25x = 13,387.11 × 9,410.97
  4. Step 4: Simplify right side
    9,644.25x = 125,985,690.60
  5. Step 5: Solve for x
    x = 125,985,690.60/9,644.25
  6. Step 6: Final answer
    x = 13,063.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.