Home / 16,131.59-24,186.32-8,218.79

Finding the Fourth Proportional to 16,131.59, 24,186.32 and 8,218.79

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Solution

The fourth proportional to 16,131.59, 24,186.32 and 8,218.79 is: 12,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131.59 : 24,186.32 = 8,218.79 : x
  2. Step 2: Convert to fraction form
    16,131.59/24,186.32 = 8,218.79/x
  3. Step 3: Cross multiply
    16,131.59x = 24,186.32 × 8,218.79
  4. Step 4: Simplify right side
    16,131.59x = 198,782,122.93
  5. Step 5: Solve for x
    x = 198,782,122.93/16,131.59
  6. Step 6: Final answer
    x = 12,322.54

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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.