Home / 22,195.80-33,285.60-7,405.20

Finding the Fourth Proportional to 22,195.80, 33,285.60 and 7,405.20

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Solution

The fourth proportional to 22,195.80, 33,285.60 and 7,405.20 is: 11,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.80 : 33,285.60 = 7,405.20 : x
  2. Step 2: Convert to fraction form
    22,195.80/33,285.60 = 7,405.20/x
  3. Step 3: Cross multiply
    22,195.80x = 33,285.60 × 7,405.20
  4. Step 4: Simplify right side
    22,195.80x = 246,486,525.12
  5. Step 5: Solve for x
    x = 246,486,525.12/22,195.80
  6. Step 6: Final answer
    x = 11,105.10

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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.