Home / 11,850.80-17,776.50-3,086.12

Finding the Fourth Proportional to 11,850.80, 17,776.50 and 3,086.12

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Solution

The fourth proportional to 11,850.80, 17,776.50 and 3,086.12 is: 4,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.80 : 17,776.50 = 3,086.12 : x
  2. Step 2: Convert to fraction form
    11,850.80/17,776.50 = 3,086.12/x
  3. Step 3: Cross multiply
    11,850.80x = 17,776.50 × 3,086.12
  4. Step 4: Simplify right side
    11,850.80x = 54,860,412.18
  5. Step 5: Solve for x
    x = 54,860,412.18/11,850.80
  6. Step 6: Final answer
    x = 4,629.26

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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.