Home / 16,379.14-22,611.72-11,081.12

Finding the Fourth Proportional to 16,379.14, 22,611.72 and 11,081.12

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Solution

The fourth proportional to 16,379.14, 22,611.72 and 11,081.12 is: 15,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.14 : 22,611.72 = 11,081.12 : x
  2. Step 2: Convert to fraction form
    16,379.14/22,611.72 = 11,081.12/x
  3. Step 3: Cross multiply
    16,379.14x = 22,611.72 × 11,081.12
  4. Step 4: Simplify right side
    16,379.14x = 250,563,182.73
  5. Step 5: Solve for x
    x = 250,563,182.73/16,379.14
  6. Step 6: Final answer
    x = 15,297.70

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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.