Home / 22,187.80-33,273.60-7,397.20

Finding the Fourth Proportional to 22,187.80, 33,273.60 and 7,397.20

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Solution

The fourth proportional to 22,187.80, 33,273.60 and 7,397.20 is: 11,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.80 : 33,273.60 = 7,397.20 : x
  2. Step 2: Convert to fraction form
    22,187.80/33,273.60 = 7,397.20/x
  3. Step 3: Cross multiply
    22,187.80x = 33,273.60 × 7,397.20
  4. Step 4: Simplify right side
    22,187.80x = 246,131,473.92
  5. Step 5: Solve for x
    x = 246,131,473.92/22,187.80
  6. Step 6: Final answer
    x = 11,093.10

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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.