Home / 12,544.24-18,825.26-5,155.42

Finding the Fourth Proportional to 12,544.24, 18,825.26 and 5,155.42

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Solution

The fourth proportional to 12,544.24, 18,825.26 and 5,155.42 is: 7,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.24 : 18,825.26 = 5,155.42 : x
  2. Step 2: Convert to fraction form
    12,544.24/18,825.26 = 5,155.42/x
  3. Step 3: Cross multiply
    12,544.24x = 18,825.26 × 5,155.42
  4. Step 4: Simplify right side
    12,544.24x = 97,052,121.91
  5. Step 5: Solve for x
    x = 97,052,121.91/12,544.24
  6. Step 6: Final answer
    x = 7,736.79

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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.