Home / 11,958.20-16,503.12-6,654.68

Finding the Fourth Proportional to 11,958.20, 16,503.12 and 6,654.68

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Solution

The fourth proportional to 11,958.20, 16,503.12 and 6,654.68 is: 9,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.20 : 16,503.12 = 6,654.68 : x
  2. Step 2: Convert to fraction form
    11,958.20/16,503.12 = 6,654.68/x
  3. Step 3: Cross multiply
    11,958.20x = 16,503.12 × 6,654.68
  4. Step 4: Simplify right side
    11,958.20x = 109,822,982.60
  5. Step 5: Solve for x
    x = 109,822,982.60/11,958.20
  6. Step 6: Final answer
    x = 9,183.91

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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.