Home / 20,649.73-30,976.66-6,606.22

Finding the Fourth Proportional to 20,649.73, 30,976.66 and 6,606.22

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Solution

The fourth proportional to 20,649.73, 30,976.66 and 6,606.22 is: 9,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649.73 : 30,976.66 = 6,606.22 : x
  2. Step 2: Convert to fraction form
    20,649.73/30,976.66 = 6,606.22/x
  3. Step 3: Cross multiply
    20,649.73x = 30,976.66 × 6,606.22
  4. Step 4: Simplify right side
    20,649.73x = 204,638,630.83
  5. Step 5: Solve for x
    x = 204,638,630.83/20,649.73
  6. Step 6: Final answer
    x = 9,909.99

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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.