Home / 16,921.09-23,351.66-11,245.96

Finding the Fourth Proportional to 16,921.09, 23,351.66 and 11,245.96

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Solution

The fourth proportional to 16,921.09, 23,351.66 and 11,245.96 is: 15,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.09 : 23,351.66 = 11,245.96 : x
  2. Step 2: Convert to fraction form
    16,921.09/23,351.66 = 11,245.96/x
  3. Step 3: Cross multiply
    16,921.09x = 23,351.66 × 11,245.96
  4. Step 4: Simplify right side
    16,921.09x = 262,611,834.29
  5. Step 5: Solve for x
    x = 262,611,834.29/16,921.09
  6. Step 6: Final answer
    x = 15,519.79

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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.