Home / 13,628.54-20,449.26-5,732.79

Finding the Fourth Proportional to 13,628.54, 20,449.26 and 5,732.79

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Solution

The fourth proportional to 13,628.54, 20,449.26 and 5,732.79 is: 8,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.54 : 20,449.26 = 5,732.79 : x
  2. Step 2: Convert to fraction form
    13,628.54/20,449.26 = 5,732.79/x
  3. Step 3: Cross multiply
    13,628.54x = 20,449.26 × 5,732.79
  4. Step 4: Simplify right side
    13,628.54x = 117,231,313.24
  5. Step 5: Solve for x
    x = 117,231,313.24/13,628.54
  6. Step 6: Final answer
    x = 8,601.90

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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.