Home / 19,227.20-28,835.12-8,133.64

Finding the Fourth Proportional to 19,227.20, 28,835.12 and 8,133.64

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Solution

The fourth proportional to 19,227.20, 28,835.12 and 8,133.64 is: 12,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.20 : 28,835.12 = 8,133.64 : x
  2. Step 2: Convert to fraction form
    19,227.20/28,835.12 = 8,133.64/x
  3. Step 3: Cross multiply
    19,227.20x = 28,835.12 × 8,133.64
  4. Step 4: Simplify right side
    19,227.20x = 234,534,433.68
  5. Step 5: Solve for x
    x = 234,534,433.68/19,227.20
  6. Step 6: Final answer
    x = 12,198.06

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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.