Home / 13,450.14-20,183.43-7,914.30

Finding the Fourth Proportional to 13,450.14, 20,183.43 and 7,914.30

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Solution

The fourth proportional to 13,450.14, 20,183.43 and 7,914.30 is: 11,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.14 : 20,183.43 = 7,914.30 : x
  2. Step 2: Convert to fraction form
    13,450.14/20,183.43 = 7,914.30/x
  3. Step 3: Cross multiply
    13,450.14x = 20,183.43 × 7,914.30
  4. Step 4: Simplify right side
    13,450.14x = 159,737,720.05
  5. Step 5: Solve for x
    x = 159,737,720.05/13,450.14
  6. Step 6: Final answer
    x = 11,876.29

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1.5x scale

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.