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Finding the Fourth Proportional to 12,793.59, 19,192.23 and 4,029.21

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Solution

The fourth proportional to 12,793.59, 19,192.23 and 4,029.21 is: 6,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.59 : 19,192.23 = 4,029.21 : x
  2. Step 2: Convert to fraction form
    12,793.59/19,192.23 = 4,029.21/x
  3. Step 3: Cross multiply
    12,793.59x = 19,192.23 × 4,029.21
  4. Step 4: Simplify right side
    12,793.59x = 77,329,525.04
  5. Step 5: Solve for x
    x = 77,329,525.04/12,793.59
  6. Step 6: Final answer
    x = 6,044.40

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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.