Home / 13,651.23-20,480.24-10,850.64

Finding the Fourth Proportional to 13,651.23, 20,480.24 and 10,850.64

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Solution

The fourth proportional to 13,651.23, 20,480.24 and 10,850.64 is: 16,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.23 : 20,480.24 = 10,850.64 : x
  2. Step 2: Convert to fraction form
    13,651.23/20,480.24 = 10,850.64/x
  3. Step 3: Cross multiply
    13,651.23x = 20,480.24 × 10,850.64
  4. Step 4: Simplify right side
    13,651.23x = 222,223,711.35
  5. Step 5: Solve for x
    x = 222,223,711.35/13,651.23
  6. Step 6: Final answer
    x = 16,278.66

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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.