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Finding the Fourth Proportional to 13,296.12, 18,348.84 and 7,327.71

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Solution

The fourth proportional to 13,296.12, 18,348.84 and 7,327.71 is: 10,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.12 : 18,348.84 = 7,327.71 : x
  2. Step 2: Convert to fraction form
    13,296.12/18,348.84 = 7,327.71/x
  3. Step 3: Cross multiply
    13,296.12x = 18,348.84 × 7,327.71
  4. Step 4: Simplify right side
    13,296.12x = 134,454,978.36
  5. Step 5: Solve for x
    x = 134,454,978.36/13,296.12
  6. Step 6: Final answer
    x = 10,112.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.