Home / 22,243.80-33,365.70-9,105.60

Finding the Fourth Proportional to 22,243.80, 33,365.70 and 9,105.60

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Solution

The fourth proportional to 22,243.80, 33,365.70 and 9,105.60 is: 13,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.80 : 33,365.70 = 9,105.60 : x
  2. Step 2: Convert to fraction form
    22,243.80/33,365.70 = 9,105.60/x
  3. Step 3: Cross multiply
    22,243.80x = 33,365.70 × 9,105.60
  4. Step 4: Simplify right side
    22,243.80x = 303,814,717.92
  5. Step 5: Solve for x
    x = 303,814,717.92/22,243.80
  6. Step 6: Final answer
    x = 13,658.40

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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.