Home / 20,259.92-30,380.44-6,216.33

Finding the Fourth Proportional to 20,259.92, 30,380.44 and 6,216.33

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Solution

The fourth proportional to 20,259.92, 30,380.44 and 6,216.33 is: 9,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.92 : 30,380.44 = 6,216.33 : x
  2. Step 2: Convert to fraction form
    20,259.92/30,380.44 = 6,216.33/x
  3. Step 3: Cross multiply
    20,259.92x = 30,380.44 × 6,216.33
  4. Step 4: Simplify right side
    20,259.92x = 188,854,840.59
  5. Step 5: Solve for x
    x = 188,854,840.59/20,259.92
  6. Step 6: Final answer
    x = 9,321.60

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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.