Home / 11,980.62-16,533.27-6,676.48

Finding the Fourth Proportional to 11,980.62, 16,533.27 and 6,676.48

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Solution

The fourth proportional to 11,980.62, 16,533.27 and 6,676.48 is: 9,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.62 : 16,533.27 = 6,676.48 : x
  2. Step 2: Convert to fraction form
    11,980.62/16,533.27 = 6,676.48/x
  3. Step 3: Cross multiply
    11,980.62x = 16,533.27 × 6,676.48
  4. Step 4: Simplify right side
    11,980.62x = 110,384,046.49
  5. Step 5: Solve for x
    x = 110,384,046.49/11,980.62
  6. Step 6: Final answer
    x = 9,213.55

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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.