Home / 12,028.29-18,046.07-5,452.71

Finding the Fourth Proportional to 12,028.29, 18,046.07 and 5,452.71

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Solution

The fourth proportional to 12,028.29, 18,046.07 and 5,452.71 is: 8,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.29 : 18,046.07 = 5,452.71 : x
  2. Step 2: Convert to fraction form
    12,028.29/18,046.07 = 5,452.71/x
  3. Step 3: Cross multiply
    12,028.29x = 18,046.07 × 5,452.71
  4. Step 4: Simplify right side
    12,028.29x = 98,399,986.35
  5. Step 5: Solve for x
    x = 98,399,986.35/12,028.29
  6. Step 6: Final answer
    x = 8,180.71

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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.