Home / 11,086.38-16,579.05-8,277.18

Finding the Fourth Proportional to 11,086.38, 16,579.05 and 8,277.18

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Solution

The fourth proportional to 11,086.38, 16,579.05 and 8,277.18 is: 12,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.38 : 16,579.05 = 8,277.18 : x
  2. Step 2: Convert to fraction form
    11,086.38/16,579.05 = 8,277.18/x
  3. Step 3: Cross multiply
    11,086.38x = 16,579.05 × 8,277.18
  4. Step 4: Simplify right side
    11,086.38x = 137,227,781.08
  5. Step 5: Solve for x
    x = 137,227,781.08/11,086.38
  6. Step 6: Final answer
    x = 12,378.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.