Home / 12,505.19-18,753.88-4,183.26

Finding the Fourth Proportional to 12,505.19, 18,753.88 and 4,183.26

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Solution

The fourth proportional to 12,505.19, 18,753.88 and 4,183.26 is: 6,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.19 : 18,753.88 = 4,183.26 : x
  2. Step 2: Convert to fraction form
    12,505.19/18,753.88 = 4,183.26/x
  3. Step 3: Cross multiply
    12,505.19x = 18,753.88 × 4,183.26
  4. Step 4: Simplify right side
    12,505.19x = 78,452,388.60
  5. Step 5: Solve for x
    x = 78,452,388.60/12,505.19
  6. Step 6: Final answer
    x = 6,273.58

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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.