Home / 13,571.38-20,367.27-5,785.54

Finding the Fourth Proportional to 13,571.38, 20,367.27 and 5,785.54

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Solution

The fourth proportional to 13,571.38, 20,367.27 and 5,785.54 is: 8,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.38 : 20,367.27 = 5,785.54 : x
  2. Step 2: Convert to fraction form
    13,571.38/20,367.27 = 5,785.54/x
  3. Step 3: Cross multiply
    13,571.38x = 20,367.27 × 5,785.54
  4. Step 4: Simplify right side
    13,571.38x = 117,835,655.28
  5. Step 5: Solve for x
    x = 117,835,655.28/13,571.38
  6. Step 6: Final answer
    x = 8,682.66

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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.