Home / 19,204.72-28,787.94-8,114.20

Finding the Fourth Proportional to 19,204.72, 28,787.94 and 8,114.20

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Solution

The fourth proportional to 19,204.72, 28,787.94 and 8,114.20 is: 12,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.72 : 28,787.94 = 8,114.20 : x
  2. Step 2: Convert to fraction form
    19,204.72/28,787.94 = 8,114.20/x
  3. Step 3: Cross multiply
    19,204.72x = 28,787.94 × 8,114.20
  4. Step 4: Simplify right side
    19,204.72x = 233,591,102.75
  5. Step 5: Solve for x
    x = 233,591,102.75/19,204.72
  6. Step 6: Final answer
    x = 12,163.21

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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.