Home / 9,418.14-12,996.77-5,169.29

Finding the Fourth Proportional to 9,418.14, 12,996.77 and 5,169.29

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Solution

The fourth proportional to 9,418.14, 12,996.77 and 5,169.29 is: 7,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.14 : 12,996.77 = 5,169.29 : x
  2. Step 2: Convert to fraction form
    9,418.14/12,996.77 = 5,169.29/x
  3. Step 3: Cross multiply
    9,418.14x = 12,996.77 × 5,169.29
  4. Step 4: Simplify right side
    9,418.14x = 67,183,982.36
  5. Step 5: Solve for x
    x = 67,183,982.36/9,418.14
  6. Step 6: Final answer
    x = 7,133.47

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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.