Home / 13,471.52-20,185.44-8,785.92

Finding the Fourth Proportional to 13,471.52, 20,185.44 and 8,785.92

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Solution

The fourth proportional to 13,471.52, 20,185.44 and 8,785.92 is: 13,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.52 : 20,185.44 = 8,785.92 : x
  2. Step 2: Convert to fraction form
    13,471.52/20,185.44 = 8,785.92/x
  3. Step 3: Cross multiply
    13,471.52x = 20,185.44 × 8,785.92
  4. Step 4: Simplify right side
    13,471.52x = 177,347,661.00
  5. Step 5: Solve for x
    x = 177,347,661.00/13,471.52
  6. Step 6: Final answer
    x = 13,164.64

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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.