Home / 22,141.20-33,200.40-6,556.80

Finding the Fourth Proportional to 22,141.20, 33,200.40 and 6,556.80

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Solution

The fourth proportional to 22,141.20, 33,200.40 and 6,556.80 is: 9,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.20 : 33,200.40 = 6,556.80 : x
  2. Step 2: Convert to fraction form
    22,141.20/33,200.40 = 6,556.80/x
  3. Step 3: Cross multiply
    22,141.20x = 33,200.40 × 6,556.80
  4. Step 4: Simplify right side
    22,141.20x = 217,688,382.72
  5. Step 5: Solve for x
    x = 217,688,382.72/22,141.20
  6. Step 6: Final answer
    x = 9,831.82

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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.