Home / 11,976.94-16,528.68-6,671.75

Finding the Fourth Proportional to 11,976.94, 16,528.68 and 6,671.75

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Solution

The fourth proportional to 11,976.94, 16,528.68 and 6,671.75 is: 9,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.94 : 16,528.68 = 6,671.75 : x
  2. Step 2: Convert to fraction form
    11,976.94/16,528.68 = 6,671.75/x
  3. Step 3: Cross multiply
    11,976.94x = 16,528.68 × 6,671.75
  4. Step 4: Simplify right side
    11,976.94x = 110,275,187.43
  5. Step 5: Solve for x
    x = 110,275,187.43/11,976.94
  6. Step 6: Final answer
    x = 9,207.30

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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.