Home / 9,418.26-12,997.71-5,226.60

Finding the Fourth Proportional to 9,418.26, 12,997.71 and 5,226.60

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Solution

The fourth proportional to 9,418.26, 12,997.71 and 5,226.60 is: 7,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.26 : 12,997.71 = 5,226.60 : x
  2. Step 2: Convert to fraction form
    9,418.26/12,997.71 = 5,226.60/x
  3. Step 3: Cross multiply
    9,418.26x = 12,997.71 × 5,226.60
  4. Step 4: Simplify right side
    9,418.26x = 67,933,831.09
  5. Step 5: Solve for x
    x = 67,933,831.09/9,418.26
  6. Step 6: Final answer
    x = 7,212.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.