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Finding the Fourth Proportional to 9,338.49, 13,982.22 and 9,090.63

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Solution

The fourth proportional to 9,338.49, 13,982.22 and 9,090.63 is: 13,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.49 : 13,982.22 = 9,090.63 : x
  2. Step 2: Convert to fraction form
    9,338.49/13,982.22 = 9,090.63/x
  3. Step 3: Cross multiply
    9,338.49x = 13,982.22 × 9,090.63
  4. Step 4: Simplify right side
    9,338.49x = 127,107,188.60
  5. Step 5: Solve for x
    x = 127,107,188.60/9,338.49
  6. Step 6: Final answer
    x = 13,611.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.