Home / 13,821.24-19,084.56-11,269.42

Finding the Fourth Proportional to 13,821.24, 19,084.56 and 11,269.42

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Solution

The fourth proportional to 13,821.24, 19,084.56 and 11,269.42 is: 15,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.24 : 19,084.56 = 11,269.42 : x
  2. Step 2: Convert to fraction form
    13,821.24/19,084.56 = 11,269.42/x
  3. Step 3: Cross multiply
    13,821.24x = 19,084.56 × 11,269.42
  4. Step 4: Simplify right side
    13,821.24x = 215,071,922.16
  5. Step 5: Solve for x
    x = 215,071,922.16/13,821.24
  6. Step 6: Final answer
    x = 15,560.97

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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.