Home / 11,755.14-16,211.67-8,212.26

Finding the Fourth Proportional to 11,755.14, 16,211.67 and 8,212.26

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Solution

The fourth proportional to 11,755.14, 16,211.67 and 8,212.26 is: 11,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.14 : 16,211.67 = 8,212.26 : x
  2. Step 2: Convert to fraction form
    11,755.14/16,211.67 = 8,212.26/x
  3. Step 3: Cross multiply
    11,755.14x = 16,211.67 × 8,212.26
  4. Step 4: Simplify right side
    11,755.14x = 133,134,449.07
  5. Step 5: Solve for x
    x = 133,134,449.07/11,755.14
  6. Step 6: Final answer
    x = 11,325.64

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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.