Home / 13,183.28-19,775.97-3,823.46

Finding the Fourth Proportional to 13,183.28, 19,775.97 and 3,823.46

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Solution

The fourth proportional to 13,183.28, 19,775.97 and 3,823.46 is: 5,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.28 : 19,775.97 = 3,823.46 : x
  2. Step 2: Convert to fraction form
    13,183.28/19,775.97 = 3,823.46/x
  3. Step 3: Cross multiply
    13,183.28x = 19,775.97 × 3,823.46
  4. Step 4: Simplify right side
    13,183.28x = 75,612,630.26
  5. Step 5: Solve for x
    x = 75,612,630.26/13,183.28
  6. Step 6: Final answer
    x = 5,735.49

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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.