Home / 20,694.38-28,558.24-11,263.01

Finding the Fourth Proportional to 20,694.38, 28,558.24 and 11,263.01

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Solution

The fourth proportional to 20,694.38, 28,558.24 and 11,263.01 is: 15,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.38 : 28,558.24 = 11,263.01 : x
  2. Step 2: Convert to fraction form
    20,694.38/28,558.24 = 11,263.01/x
  3. Step 3: Cross multiply
    20,694.38x = 28,558.24 × 11,263.01
  4. Step 4: Simplify right side
    20,694.38x = 321,651,571.75
  5. Step 5: Solve for x
    x = 321,651,571.75/20,694.38
  6. Step 6: Final answer
    x = 15,542.95

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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.