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Finding the Fourth Proportional to 13,892.75, 19,172.01 and 7,605.14

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Solution

The fourth proportional to 13,892.75, 19,172.01 and 7,605.14 is: 10,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.75 : 19,172.01 = 7,605.14 : x
  2. Step 2: Convert to fraction form
    13,892.75/19,172.01 = 7,605.14/x
  3. Step 3: Cross multiply
    13,892.75x = 19,172.01 × 7,605.14
  4. Step 4: Simplify right side
    13,892.75x = 145,805,820.13
  5. Step 5: Solve for x
    x = 145,805,820.13/13,892.75
  6. Step 6: Final answer
    x = 10,495.10

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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.