Home / 9,418.27-12,996.77-5,169.23

Finding the Fourth Proportional to 9,418.27, 12,996.77 and 5,169.23

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Solution

The fourth proportional to 9,418.27, 12,996.77 and 5,169.23 is: 7,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.27 : 12,996.77 = 5,169.23 : x
  2. Step 2: Convert to fraction form
    9,418.27/12,996.77 = 5,169.23/x
  3. Step 3: Cross multiply
    9,418.27x = 12,996.77 × 5,169.23
  4. Step 4: Simplify right side
    9,418.27x = 67,183,293.39
  5. Step 5: Solve for x
    x = 67,183,293.39/9,418.27
  6. Step 6: Final answer
    x = 7,133.29

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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.