Home / 9,418.03-12,997.04-5,169.49

Finding the Fourth Proportional to 9,418.03, 12,997.04 and 5,169.49

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Solution

The fourth proportional to 9,418.03, 12,997.04 and 5,169.49 is: 7,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.03 : 12,997.04 = 5,169.49 : x
  2. Step 2: Convert to fraction form
    9,418.03/12,997.04 = 5,169.49/x
  3. Step 3: Cross multiply
    9,418.03x = 12,997.04 × 5,169.49
  4. Step 4: Simplify right side
    9,418.03x = 67,188,039.05
  5. Step 5: Solve for x
    x = 67,188,039.05/9,418.03
  6. Step 6: Final answer
    x = 7,133.98

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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.