Home / 12,074.27-18,112.21-4,177.58

Finding the Fourth Proportional to 12,074.27, 18,112.21 and 4,177.58

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Solution

The fourth proportional to 12,074.27, 18,112.21 and 4,177.58 is: 6,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.27 : 18,112.21 = 4,177.58 : x
  2. Step 2: Convert to fraction form
    12,074.27/18,112.21 = 4,177.58/x
  3. Step 3: Cross multiply
    12,074.27x = 18,112.21 × 4,177.58
  4. Step 4: Simplify right side
    12,074.27x = 75,665,105.25
  5. Step 5: Solve for x
    x = 75,665,105.25/12,074.27
  6. Step 6: Final answer
    x = 6,266.64

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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.