Home / 13,249.37-19,873.96-3,388.64

Finding the Fourth Proportional to 13,249.37, 19,873.96 and 3,388.64

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Solution

The fourth proportional to 13,249.37, 19,873.96 and 3,388.64 is: 5,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.37 : 19,873.96 = 3,388.64 : x
  2. Step 2: Convert to fraction form
    13,249.37/19,873.96 = 3,388.64/x
  3. Step 3: Cross multiply
    13,249.37x = 19,873.96 × 3,388.64
  4. Step 4: Simplify right side
    13,249.37x = 67,345,587.97
  5. Step 5: Solve for x
    x = 67,345,587.97/13,249.37
  6. Step 6: Final answer
    x = 5,082.93

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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.