Home / 11,919.26-16,449.14-6,614.12

Finding the Fourth Proportional to 11,919.26, 16,449.14 and 6,614.12

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Solution

The fourth proportional to 11,919.26, 16,449.14 and 6,614.12 is: 9,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.26 : 16,449.14 = 6,614.12 : x
  2. Step 2: Convert to fraction form
    11,919.26/16,449.14 = 6,614.12/x
  3. Step 3: Cross multiply
    11,919.26x = 16,449.14 × 6,614.12
  4. Step 4: Simplify right side
    11,919.26x = 108,796,585.86
  5. Step 5: Solve for x
    x = 108,796,585.86/11,919.26
  6. Step 6: Final answer
    x = 9,127.80

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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.