Home / 11,690.27-16,132.94-6,654.36

Finding the Fourth Proportional to 11,690.27, 16,132.94 and 6,654.36

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Solution

The fourth proportional to 11,690.27, 16,132.94 and 6,654.36 is: 9,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.27 : 16,132.94 = 6,654.36 : x
  2. Step 2: Convert to fraction form
    11,690.27/16,132.94 = 6,654.36/x
  3. Step 3: Cross multiply
    11,690.27x = 16,132.94 × 6,654.36
  4. Step 4: Simplify right side
    11,690.27x = 107,354,390.62
  5. Step 5: Solve for x
    x = 107,354,390.62/11,690.27
  6. Step 6: Final answer
    x = 9,183.23

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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.