Home / 12,787.12-19,183.53-4,996

Finding the Fourth Proportional to 12,787.12, 19,183.53 and 4,996

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Solution

The fourth proportional to 12,787.12, 19,183.53 and 4,996 is: 7,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.12 : 19,183.53 = 4,996 : x
  2. Step 2: Convert to fraction form
    12,787.12/19,183.53 = 4,996/x
  3. Step 3: Cross multiply
    12,787.12x = 19,183.53 × 4,996
  4. Step 4: Simplify right side
    12,787.12x = 95,840,915.88
  5. Step 5: Solve for x
    x = 95,840,915.88/12,787.12
  6. Step 6: Final answer
    x = 7,495.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.