Home / 13,469.44-20,229.28-11,009.48

Finding the Fourth Proportional to 13,469.44, 20,229.28 and 11,009.48

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Solution

The fourth proportional to 13,469.44, 20,229.28 and 11,009.48 is: 16,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.44 : 20,229.28 = 11,009.48 : x
  2. Step 2: Convert to fraction form
    13,469.44/20,229.28 = 11,009.48/x
  3. Step 3: Cross multiply
    13,469.44x = 20,229.28 × 11,009.48
  4. Step 4: Simplify right side
    13,469.44x = 222,713,853.57
  5. Step 5: Solve for x
    x = 222,713,853.57/13,469.44
  6. Step 6: Final answer
    x = 16,534.75

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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.