Home / 11,919.52-16,449.71-6,614.92

Finding the Fourth Proportional to 11,919.52, 16,449.71 and 6,614.92

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Solution

The fourth proportional to 11,919.52, 16,449.71 and 6,614.92 is: 9,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.52 : 16,449.71 = 6,614.92 : x
  2. Step 2: Convert to fraction form
    11,919.52/16,449.71 = 6,614.92/x
  3. Step 3: Cross multiply
    11,919.52x = 16,449.71 × 6,614.92
  4. Step 4: Simplify right side
    11,919.52x = 108,813,515.67
  5. Step 5: Solve for x
    x = 108,813,515.67/11,919.52
  6. Step 6: Final answer
    x = 9,129.02

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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.