Home / 13,847.49-20,749.91-9,399.38

Finding the Fourth Proportional to 13,847.49, 20,749.91 and 9,399.38

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Solution

The fourth proportional to 13,847.49, 20,749.91 and 9,399.38 is: 14,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.49 : 20,749.91 = 9,399.38 : x
  2. Step 2: Convert to fraction form
    13,847.49/20,749.91 = 9,399.38/x
  3. Step 3: Cross multiply
    13,847.49x = 20,749.91 × 9,399.38
  4. Step 4: Simplify right side
    13,847.49x = 195,036,138.31
  5. Step 5: Solve for x
    x = 195,036,138.31/13,847.49
  6. Step 6: Final answer
    x = 14,084.58

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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.