Home / 22,239.68-33,357.60-6,660.80

Finding the Fourth Proportional to 22,239.68, 33,357.60 and 6,660.80

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Solution

The fourth proportional to 22,239.68, 33,357.60 and 6,660.80 is: 9,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.68 : 33,357.60 = 6,660.80 : x
  2. Step 2: Convert to fraction form
    22,239.68/33,357.60 = 6,660.80/x
  3. Step 3: Cross multiply
    22,239.68x = 33,357.60 × 6,660.80
  4. Step 4: Simplify right side
    22,239.68x = 222,188,302.08
  5. Step 5: Solve for x
    x = 222,188,302.08/22,239.68
  6. Step 6: Final answer
    x = 9,990.62

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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.