Home / 11,850.90-17,778.18-4,057.86

Finding the Fourth Proportional to 11,850.90, 17,778.18 and 4,057.86

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Solution

The fourth proportional to 11,850.90, 17,778.18 and 4,057.86 is: 6,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.90 : 17,778.18 = 4,057.86 : x
  2. Step 2: Convert to fraction form
    11,850.90/17,778.18 = 4,057.86/x
  3. Step 3: Cross multiply
    11,850.90x = 17,778.18 × 4,057.86
  4. Step 4: Simplify right side
    11,850.90x = 72,141,365.49
  5. Step 5: Solve for x
    x = 72,141,365.49/11,850.90
  6. Step 6: Final answer
    x = 6,087.42

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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.