Home / 14,091.05-21,121.32-9,164.23

Finding the Fourth Proportional to 14,091.05, 21,121.32 and 9,164.23

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Solution

The fourth proportional to 14,091.05, 21,121.32 and 9,164.23 is: 13,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.05 : 21,121.32 = 9,164.23 : x
  2. Step 2: Convert to fraction form
    14,091.05/21,121.32 = 9,164.23/x
  3. Step 3: Cross multiply
    14,091.05x = 21,121.32 × 9,164.23
  4. Step 4: Simplify right side
    14,091.05x = 193,560,528.78
  5. Step 5: Solve for x
    x = 193,560,528.78/14,091.05
  6. Step 6: Final answer
    x = 13,736.42

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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.