Home / 20,197.18-30,295.78-9,664.73

Finding the Fourth Proportional to 20,197.18, 30,295.78 and 9,664.73

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Solution

The fourth proportional to 20,197.18, 30,295.78 and 9,664.73 is: 14,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.18 : 30,295.78 = 9,664.73 : x
  2. Step 2: Convert to fraction form
    20,197.18/30,295.78 = 9,664.73/x
  3. Step 3: Cross multiply
    20,197.18x = 30,295.78 × 9,664.73
  4. Step 4: Simplify right side
    20,197.18x = 292,800,358.20
  5. Step 5: Solve for x
    x = 292,800,358.20/20,197.18
  6. Step 6: Final answer
    x = 14,497.09

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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.