Home / 11,107.10-16,660.24-2,787.18

Finding the Fourth Proportional to 11,107.10, 16,660.24 and 2,787.18

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Solution

The fourth proportional to 11,107.10, 16,660.24 and 2,787.18 is: 4,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.10 : 16,660.24 = 2,787.18 : x
  2. Step 2: Convert to fraction form
    11,107.10/16,660.24 = 2,787.18/x
  3. Step 3: Cross multiply
    11,107.10x = 16,660.24 × 2,787.18
  4. Step 4: Simplify right side
    11,107.10x = 46,435,087.72
  5. Step 5: Solve for x
    x = 46,435,087.72/11,107.10
  6. Step 6: Final answer
    x = 4,180.67

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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.