Home / 22,266.39-33,399.60-9,945.75

Finding the Fourth Proportional to 22,266.39, 33,399.60 and 9,945.75

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Solution

The fourth proportional to 22,266.39, 33,399.60 and 9,945.75 is: 14,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.39 : 33,399.60 = 9,945.75 : x
  2. Step 2: Convert to fraction form
    22,266.39/33,399.60 = 9,945.75/x
  3. Step 3: Cross multiply
    22,266.39x = 33,399.60 × 9,945.75
  4. Step 4: Simplify right side
    22,266.39x = 332,184,071.70
  5. Step 5: Solve for x
    x = 332,184,071.70/22,266.39
  6. Step 6: Final answer
    x = 14,918.63

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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.