Home / 22,247.76-33,367.80-6,661.20

Finding the Fourth Proportional to 22,247.76, 33,367.80 and 6,661.20

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Solution

The fourth proportional to 22,247.76, 33,367.80 and 6,661.20 is: 9,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.76 : 33,367.80 = 6,661.20 : x
  2. Step 2: Convert to fraction form
    22,247.76/33,367.80 = 6,661.20/x
  3. Step 3: Cross multiply
    22,247.76x = 33,367.80 × 6,661.20
  4. Step 4: Simplify right side
    22,247.76x = 222,269,589.36
  5. Step 5: Solve for x
    x = 222,269,589.36/22,247.76
  6. Step 6: Final answer
    x = 9,990.65

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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.