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Finding the Fourth Proportional to 12,793.31, 19,193.00 and 4,028.20

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Solution

The fourth proportional to 12,793.31, 19,193.00 and 4,028.20 is: 6,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.31 : 19,193.00 = 4,028.20 : x
  2. Step 2: Convert to fraction form
    12,793.31/19,193.00 = 4,028.20/x
  3. Step 3: Cross multiply
    12,793.31x = 19,193.00 × 4,028.20
  4. Step 4: Simplify right side
    12,793.31x = 77,313,197.14
  5. Step 5: Solve for x
    x = 77,313,197.14/12,793.31
  6. Step 6: Final answer
    x = 6,043.25

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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.