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Finding the Fourth Proportional to 13,881.12, 19,155.49 and 7,593.09

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Solution

The fourth proportional to 13,881.12, 19,155.49 and 7,593.09 is: 10,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.12 : 19,155.49 = 7,593.09 : x
  2. Step 2: Convert to fraction form
    13,881.12/19,155.49 = 7,593.09/x
  3. Step 3: Cross multiply
    13,881.12x = 19,155.49 × 7,593.09
  4. Step 4: Simplify right side
    13,881.12x = 145,449,359.56
  5. Step 5: Solve for x
    x = 145,449,359.56/13,881.12
  6. Step 6: Final answer
    x = 10,478.21

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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.