Home / 9,418.30-12,997.17-5,169.24

Finding the Fourth Proportional to 9,418.30, 12,997.17 and 5,169.24

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Solution

The fourth proportional to 9,418.30, 12,997.17 and 5,169.24 is: 7,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.30 : 12,997.17 = 5,169.24 : x
  2. Step 2: Convert to fraction form
    9,418.30/12,997.17 = 5,169.24/x
  3. Step 3: Cross multiply
    9,418.30x = 12,997.17 × 5,169.24
  4. Step 4: Simplify right side
    9,418.30x = 67,185,491.05
  5. Step 5: Solve for x
    x = 67,185,491.05/9,418.30
  6. Step 6: Final answer
    x = 7,133.51

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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.