Home / 18,910.12-26,093.72-10,950.79

Finding the Fourth Proportional to 18,910.12, 26,093.72 and 10,950.79

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Solution

The fourth proportional to 18,910.12, 26,093.72 and 10,950.79 is: 15,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.12 : 26,093.72 = 10,950.79 : x
  2. Step 2: Convert to fraction form
    18,910.12/26,093.72 = 10,950.79/x
  3. Step 3: Cross multiply
    18,910.12x = 26,093.72 × 10,950.79
  4. Step 4: Simplify right side
    18,910.12x = 285,746,662.82
  5. Step 5: Solve for x
    x = 285,746,662.82/18,910.12
  6. Step 6: Final answer
    x = 15,110.78

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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.