Home / 20,434.33-30,629.71-11,650.33

Finding the Fourth Proportional to 20,434.33, 30,629.71 and 11,650.33

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Solution

The fourth proportional to 20,434.33, 30,629.71 and 11,650.33 is: 17,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.33 : 30,629.71 = 11,650.33 : x
  2. Step 2: Convert to fraction form
    20,434.33/30,629.71 = 11,650.33/x
  3. Step 3: Cross multiply
    20,434.33x = 30,629.71 × 11,650.33
  4. Step 4: Simplify right side
    20,434.33x = 356,846,229.30
  5. Step 5: Solve for x
    x = 356,846,229.30/20,434.33
  6. Step 6: Final answer
    x = 17,463.07

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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.