Home / 14,183.56-21,243.66-10,279

Finding the Fourth Proportional to 14,183.56, 21,243.66 and 10,279

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Solution

The fourth proportional to 14,183.56, 21,243.66 and 10,279 is: 15,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.56 : 21,243.66 = 10,279 : x
  2. Step 2: Convert to fraction form
    14,183.56/21,243.66 = 10,279/x
  3. Step 3: Cross multiply
    14,183.56x = 21,243.66 × 10,279
  4. Step 4: Simplify right side
    14,183.56x = 218,363,581.14
  5. Step 5: Solve for x
    x = 218,363,581.14/14,183.56
  6. Step 6: Final answer
    x = 15,395.54

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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.