Home / 14,626.11-20,183.97-7,911.75

Finding the Fourth Proportional to 14,626.11, 20,183.97 and 7,911.75

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Solution

The fourth proportional to 14,626.11, 20,183.97 and 7,911.75 is: 10,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.11 : 20,183.97 = 7,911.75 : x
  2. Step 2: Convert to fraction form
    14,626.11/20,183.97 = 7,911.75/x
  3. Step 3: Cross multiply
    14,626.11x = 20,183.97 × 7,911.75
  4. Step 4: Simplify right side
    14,626.11x = 159,690,524.65
  5. Step 5: Solve for x
    x = 159,690,524.65/14,626.11
  6. Step 6: Final answer
    x = 10,918.18

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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.