Home / 13,424.92-20,135.83-3,564.97

Finding the Fourth Proportional to 13,424.92, 20,135.83 and 3,564.97

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Solution

The fourth proportional to 13,424.92, 20,135.83 and 3,564.97 is: 5,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.92 : 20,135.83 = 3,564.97 : x
  2. Step 2: Convert to fraction form
    13,424.92/20,135.83 = 3,564.97/x
  3. Step 3: Cross multiply
    13,424.92x = 20,135.83 × 3,564.97
  4. Step 4: Simplify right side
    13,424.92x = 71,783,629.88
  5. Step 5: Solve for x
    x = 71,783,629.88/13,424.92
  6. Step 6: Final answer
    x = 5,347.04

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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.