Home / 11,940.16-17,910.28-4,149.04

Finding the Fourth Proportional to 11,940.16, 17,910.28 and 4,149.04

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Solution

The fourth proportional to 11,940.16, 17,910.28 and 4,149.04 is: 6,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.16 : 17,910.28 = 4,149.04 : x
  2. Step 2: Convert to fraction form
    11,940.16/17,910.28 = 4,149.04/x
  3. Step 3: Cross multiply
    11,940.16x = 17,910.28 × 4,149.04
  4. Step 4: Simplify right side
    11,940.16x = 74,310,468.13
  5. Step 5: Solve for x
    x = 74,310,468.13/11,940.16
  6. Step 6: Final answer
    x = 6,223.57

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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.