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Finding the Fourth Proportional to 13,773.18, 19,007.11 and 7,485.56

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Solution

The fourth proportional to 13,773.18, 19,007.11 and 7,485.56 is: 10,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.18 : 19,007.11 = 7,485.56 : x
  2. Step 2: Convert to fraction form
    13,773.18/19,007.11 = 7,485.56/x
  3. Step 3: Cross multiply
    13,773.18x = 19,007.11 × 7,485.56
  4. Step 4: Simplify right side
    13,773.18x = 142,278,862.33
  5. Step 5: Solve for x
    x = 142,278,862.33/13,773.18
  6. Step 6: Final answer
    x = 10,330.14

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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.