Home / 13,977.24-20,945.26-10,450.70

Finding the Fourth Proportional to 13,977.24, 20,945.26 and 10,450.70

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Solution

The fourth proportional to 13,977.24, 20,945.26 and 10,450.70 is: 15,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.24 : 20,945.26 = 10,450.70 : x
  2. Step 2: Convert to fraction form
    13,977.24/20,945.26 = 10,450.70/x
  3. Step 3: Cross multiply
    13,977.24x = 20,945.26 × 10,450.70
  4. Step 4: Simplify right side
    13,977.24x = 218,892,628.68
  5. Step 5: Solve for x
    x = 218,892,628.68/13,977.24
  6. Step 6: Final answer
    x = 15,660.65

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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.