Home / 11,716.42-16,168.61-6,338.84

Finding the Fourth Proportional to 11,716.42, 16,168.61 and 6,338.84

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Solution

The fourth proportional to 11,716.42, 16,168.61 and 6,338.84 is: 8,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.42 : 16,168.61 = 6,338.84 : x
  2. Step 2: Convert to fraction form
    11,716.42/16,168.61 = 6,338.84/x
  3. Step 3: Cross multiply
    11,716.42x = 16,168.61 × 6,338.84
  4. Step 4: Simplify right side
    11,716.42x = 102,490,167.12
  5. Step 5: Solve for x
    x = 102,490,167.12/11,716.42
  6. Step 6: Final answer
    x = 8,747.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.