Home / 12,184.32-18,286.97-10,782.82

Finding the Fourth Proportional to 12,184.32, 18,286.97 and 10,782.82

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Solution

The fourth proportional to 12,184.32, 18,286.97 and 10,782.82 is: 16,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.32 : 18,286.97 = 10,782.82 : x
  2. Step 2: Convert to fraction form
    12,184.32/18,286.97 = 10,782.82/x
  3. Step 3: Cross multiply
    12,184.32x = 18,286.97 × 10,782.82
  4. Step 4: Simplify right side
    12,184.32x = 197,185,074.80
  5. Step 5: Solve for x
    x = 197,185,074.80/12,184.32
  6. Step 6: Final answer
    x = 16,183.51

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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.