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Finding the Fourth Proportional to 12,101.40, 18,126.59 and 5,533.11

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Solution

The fourth proportional to 12,101.40, 18,126.59 and 5,533.11 is: 8,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.40 : 18,126.59 = 5,533.11 : x
  2. Step 2: Convert to fraction form
    12,101.40/18,126.59 = 5,533.11/x
  3. Step 3: Cross multiply
    12,101.40x = 18,126.59 × 5,533.11
  4. Step 4: Simplify right side
    12,101.40x = 100,296,388.73
  5. Step 5: Solve for x
    x = 100,296,388.73/12,101.40
  6. Step 6: Final answer
    x = 8,288.00

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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.