Home / 18,845.20-28,268.25-5,697.52

Finding the Fourth Proportional to 18,845.20, 28,268.25 and 5,697.52

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Solution

The fourth proportional to 18,845.20, 28,268.25 and 5,697.52 is: 8,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.20 : 28,268.25 = 5,697.52 : x
  2. Step 2: Convert to fraction form
    18,845.20/28,268.25 = 5,697.52/x
  3. Step 3: Cross multiply
    18,845.20x = 28,268.25 × 5,697.52
  4. Step 4: Simplify right side
    18,845.20x = 161,058,919.74
  5. Step 5: Solve for x
    x = 161,058,919.74/18,845.20
  6. Step 6: Final answer
    x = 8,546.42

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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.