Home / 20,040.32-30,067.37-8,954.66

Finding the Fourth Proportional to 20,040.32, 30,067.37 and 8,954.66

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Solution

The fourth proportional to 20,040.32, 30,067.37 and 8,954.66 is: 13,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.32 : 30,067.37 = 8,954.66 : x
  2. Step 2: Convert to fraction form
    20,040.32/30,067.37 = 8,954.66/x
  3. Step 3: Cross multiply
    20,040.32x = 30,067.37 × 8,954.66
  4. Step 4: Simplify right side
    20,040.32x = 269,242,880.33
  5. Step 5: Solve for x
    x = 269,242,880.33/20,040.32
  6. Step 6: Final answer
    x = 13,435.06

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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.