Home / 14,149.25-21,226.07-4,286.18

Finding the Fourth Proportional to 14,149.25, 21,226.07 and 4,286.18

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Solution

The fourth proportional to 14,149.25, 21,226.07 and 4,286.18 is: 6,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.25 : 21,226.07 = 4,286.18 : x
  2. Step 2: Convert to fraction form
    14,149.25/21,226.07 = 4,286.18/x
  3. Step 3: Cross multiply
    14,149.25x = 21,226.07 × 4,286.18
  4. Step 4: Simplify right side
    14,149.25x = 90,978,629.15
  5. Step 5: Solve for x
    x = 90,978,629.15/14,149.25
  6. Step 6: Final answer
    x = 6,429.93

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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.