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Finding the Fourth Proportional to 13,322.41, 18,385.06 and 7,353.95

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Solution

The fourth proportional to 13,322.41, 18,385.06 and 7,353.95 is: 10,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.41 : 18,385.06 = 7,353.95 : x
  2. Step 2: Convert to fraction form
    13,322.41/18,385.06 = 7,353.95/x
  3. Step 3: Cross multiply
    13,322.41x = 18,385.06 × 7,353.95
  4. Step 4: Simplify right side
    13,322.41x = 135,202,796.47
  5. Step 5: Solve for x
    x = 135,202,796.47/13,322.41
  6. Step 6: Final answer
    x = 10,148.52

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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.