Home / 18,850.11-26,012.45-10,351.94

Finding the Fourth Proportional to 18,850.11, 26,012.45 and 10,351.94

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Solution

The fourth proportional to 18,850.11, 26,012.45 and 10,351.94 is: 14,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.11 : 26,012.45 = 10,351.94 : x
  2. Step 2: Convert to fraction form
    18,850.11/26,012.45 = 10,351.94/x
  3. Step 3: Cross multiply
    18,850.11x = 26,012.45 × 10,351.94
  4. Step 4: Simplify right side
    18,850.11x = 269,279,321.65
  5. Step 5: Solve for x
    x = 269,279,321.65/18,850.11
  6. Step 6: Final answer
    x = 14,285.29

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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.