Home / 11,914.26-17,878.11-11,820.18

Finding the Fourth Proportional to 11,914.26, 17,878.11 and 11,820.18

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Solution

The fourth proportional to 11,914.26, 17,878.11 and 11,820.18 is: 17,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.26 : 17,878.11 = 11,820.18 : x
  2. Step 2: Convert to fraction form
    11,914.26/17,878.11 = 11,820.18/x
  3. Step 3: Cross multiply
    11,914.26x = 17,878.11 × 11,820.18
  4. Step 4: Simplify right side
    11,914.26x = 211,322,478.26
  5. Step 5: Solve for x
    x = 211,322,478.26/11,914.26
  6. Step 6: Final answer
    x = 17,736.94

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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.