Home / 11,817.82-17,725.65-6,884.38

Finding the Fourth Proportional to 11,817.82, 17,725.65 and 6,884.38

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Solution

The fourth proportional to 11,817.82, 17,725.65 and 6,884.38 is: 10,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.82 : 17,725.65 = 6,884.38 : x
  2. Step 2: Convert to fraction form
    11,817.82/17,725.65 = 6,884.38/x
  3. Step 3: Cross multiply
    11,817.82x = 17,725.65 × 6,884.38
  4. Step 4: Simplify right side
    11,817.82x = 122,030,110.35
  5. Step 5: Solve for x
    x = 122,030,110.35/11,817.82
  6. Step 6: Final answer
    x = 10,325.94

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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.