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Finding the Fourth Proportional to 13,383.93, 20,076.13 and 3,522.84

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Solution

The fourth proportional to 13,383.93, 20,076.13 and 3,522.84 is: 5,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.93 : 20,076.13 = 3,522.84 : x
  2. Step 2: Convert to fraction form
    13,383.93/20,076.13 = 3,522.84/x
  3. Step 3: Cross multiply
    13,383.93x = 20,076.13 × 3,522.84
  4. Step 4: Simplify right side
    13,383.93x = 70,724,993.81
  5. Step 5: Solve for x
    x = 70,724,993.81/13,383.93
  6. Step 6: Final answer
    x = 5,284.32

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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.