Home / 13,197.28-19,797.24-4,879.48

Finding the Fourth Proportional to 13,197.28, 19,797.24 and 4,879.48

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Solution

The fourth proportional to 13,197.28, 19,797.24 and 4,879.48 is: 7,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.28 : 19,797.24 = 4,879.48 : x
  2. Step 2: Convert to fraction form
    13,197.28/19,797.24 = 4,879.48/x
  3. Step 3: Cross multiply
    13,197.28x = 19,797.24 × 4,879.48
  4. Step 4: Simplify right side
    13,197.28x = 96,600,236.64
  5. Step 5: Solve for x
    x = 96,600,236.64/13,197.28
  6. Step 6: Final answer
    x = 7,319.71

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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.