Home / 13,629.53-20,438.94-5,735.82

Finding the Fourth Proportional to 13,629.53, 20,438.94 and 5,735.82

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Solution

The fourth proportional to 13,629.53, 20,438.94 and 5,735.82 is: 8,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.53 : 20,438.94 = 5,735.82 : x
  2. Step 2: Convert to fraction form
    13,629.53/20,438.94 = 5,735.82/x
  3. Step 3: Cross multiply
    13,629.53x = 20,438.94 × 5,735.82
  4. Step 4: Simplify right side
    13,629.53x = 117,234,178.99
  5. Step 5: Solve for x
    x = 117,234,178.99/13,629.53
  6. Step 6: Final answer
    x = 8,601.48

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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.