Home / 10,787.31-16,183.53-4,211.73

Finding the Fourth Proportional to 10,787.31, 16,183.53 and 4,211.73

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Solution

The fourth proportional to 10,787.31, 16,183.53 and 4,211.73 is: 6,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.31 : 16,183.53 = 4,211.73 : x
  2. Step 2: Convert to fraction form
    10,787.31/16,183.53 = 4,211.73/x
  3. Step 3: Cross multiply
    10,787.31x = 16,183.53 × 4,211.73
  4. Step 4: Simplify right side
    10,787.31x = 68,160,658.81
  5. Step 5: Solve for x
    x = 68,160,658.81/10,787.31
  6. Step 6: Final answer
    x = 6,318.60

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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.