Home / 11,177-16,764.98-3,279.19

Finding the Fourth Proportional to 11,177, 16,764.98 and 3,279.19

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Solution

The fourth proportional to 11,177, 16,764.98 and 3,279.19 is: 4,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177 : 16,764.98 = 3,279.19 : x
  2. Step 2: Convert to fraction form
    11,177/16,764.98 = 3,279.19/x
  3. Step 3: Cross multiply
    11,177x = 16,764.98 × 3,279.19
  4. Step 4: Simplify right side
    11,177x = 54,975,554.77
  5. Step 5: Solve for x
    x = 54,975,554.77/11,177
  6. Step 6: Final answer
    x = 4,918.63

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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.