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Finding the Fourth Proportional to 14,515.28, 21,759.95 and 5,744.19

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Solution

The fourth proportional to 14,515.28, 21,759.95 and 5,744.19 is: 8,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.28 : 21,759.95 = 5,744.19 : x
  2. Step 2: Convert to fraction form
    14,515.28/21,759.95 = 5,744.19/x
  3. Step 3: Cross multiply
    14,515.28x = 21,759.95 × 5,744.19
  4. Step 4: Simplify right side
    14,515.28x = 124,993,258.47
  5. Step 5: Solve for x
    x = 124,993,258.47/14,515.28
  6. Step 6: Final answer
    x = 8,611.15

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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.