Home / 20,169.44-30,258.48-8,475.92

Finding the Fourth Proportional to 20,169.44, 30,258.48 and 8,475.92

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Solution

The fourth proportional to 20,169.44, 30,258.48 and 8,475.92 is: 12,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.44 : 30,258.48 = 8,475.92 : x
  2. Step 2: Convert to fraction form
    20,169.44/30,258.48 = 8,475.92/x
  3. Step 3: Cross multiply
    20,169.44x = 30,258.48 × 8,475.92
  4. Step 4: Simplify right side
    20,169.44x = 256,468,455.80
  5. Step 5: Solve for x
    x = 256,468,455.80/20,169.44
  6. Step 6: Final answer
    x = 12,715.70

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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.