Home / 12,084.45-18,119.16-3,762.09

Finding the Fourth Proportional to 12,084.45, 18,119.16 and 3,762.09

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Solution

The fourth proportional to 12,084.45, 18,119.16 and 3,762.09 is: 5,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.45 : 18,119.16 = 3,762.09 : x
  2. Step 2: Convert to fraction form
    12,084.45/18,119.16 = 3,762.09/x
  3. Step 3: Cross multiply
    12,084.45x = 18,119.16 × 3,762.09
  4. Step 4: Simplify right side
    12,084.45x = 68,165,910.64
  5. Step 5: Solve for x
    x = 68,165,910.64/12,084.45
  6. Step 6: Final answer
    x = 5,640.80

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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.