Home / 17,391.45-26,086.92-12,049.70

Finding the Fourth Proportional to 17,391.45, 26,086.92 and 12,049.70

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Solution

The fourth proportional to 17,391.45, 26,086.92 and 12,049.70 is: 18,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.45 : 26,086.92 = 12,049.70 : x
  2. Step 2: Convert to fraction form
    17,391.45/26,086.92 = 12,049.70/x
  3. Step 3: Cross multiply
    17,391.45x = 26,086.92 × 12,049.70
  4. Step 4: Simplify right side
    17,391.45x = 314,339,559.92
  5. Step 5: Solve for x
    x = 314,339,559.92/17,391.45
  6. Step 6: Final answer
    x = 18,074.37

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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.