Home / 11,169.10-16,766.45-6,554.70

Finding the Fourth Proportional to 11,169.10, 16,766.45 and 6,554.70

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Solution

The fourth proportional to 11,169.10, 16,766.45 and 6,554.70 is: 9,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.10 : 16,766.45 = 6,554.70 : x
  2. Step 2: Convert to fraction form
    11,169.10/16,766.45 = 6,554.70/x
  3. Step 3: Cross multiply
    11,169.10x = 16,766.45 × 6,554.70
  4. Step 4: Simplify right side
    11,169.10x = 109,899,049.82
  5. Step 5: Solve for x
    x = 109,899,049.82/11,169.10
  6. Step 6: Final answer
    x = 9,839.56

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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.