Home / 20,433.33-30,628.22-11,649.33

Finding the Fourth Proportional to 20,433.33, 30,628.22 and 11,649.33

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Solution

The fourth proportional to 20,433.33, 30,628.22 and 11,649.33 is: 17,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.33 : 30,628.22 = 11,649.33 : x
  2. Step 2: Convert to fraction form
    20,433.33/30,628.22 = 11,649.33/x
  3. Step 3: Cross multiply
    20,433.33x = 30,628.22 × 11,649.33
  4. Step 4: Simplify right side
    20,433.33x = 356,798,183.85
  5. Step 5: Solve for x
    x = 356,798,183.85/20,433.33
  6. Step 6: Final answer
    x = 17,461.58

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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.