Home / 11,893.38-17,829.99-4,778.34

Finding the Fourth Proportional to 11,893.38, 17,829.99 and 4,778.34

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Solution

The fourth proportional to 11,893.38, 17,829.99 and 4,778.34 is: 7,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.38 : 17,829.99 = 4,778.34 : x
  2. Step 2: Convert to fraction form
    11,893.38/17,829.99 = 4,778.34/x
  3. Step 3: Cross multiply
    11,893.38x = 17,829.99 × 4,778.34
  4. Step 4: Simplify right side
    11,893.38x = 85,197,754.42
  5. Step 5: Solve for x
    x = 85,197,754.42/11,893.38
  6. Step 6: Final answer
    x = 7,163.46

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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.