Home / 11,209.59-16,806.08-6,768.82

Finding the Fourth Proportional to 11,209.59, 16,806.08 and 6,768.82

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Solution

The fourth proportional to 11,209.59, 16,806.08 and 6,768.82 is: 10,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.59 : 16,806.08 = 6,768.82 : x
  2. Step 2: Convert to fraction form
    11,209.59/16,806.08 = 6,768.82/x
  3. Step 3: Cross multiply
    11,209.59x = 16,806.08 × 6,768.82
  4. Step 4: Simplify right side
    11,209.59x = 113,757,273.82
  5. Step 5: Solve for x
    x = 113,757,273.82/11,209.59
  6. Step 6: Final answer
    x = 10,148.21

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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.