Home / 12,793.05-19,176.38-6,937.29

Finding the Fourth Proportional to 12,793.05, 19,176.38 and 6,937.29

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Solution

The fourth proportional to 12,793.05, 19,176.38 and 6,937.29 is: 10,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.05 : 19,176.38 = 6,937.29 : x
  2. Step 2: Convert to fraction form
    12,793.05/19,176.38 = 6,937.29/x
  3. Step 3: Cross multiply
    12,793.05x = 19,176.38 × 6,937.29
  4. Step 4: Simplify right side
    12,793.05x = 133,032,074.52
  5. Step 5: Solve for x
    x = 133,032,074.52/12,793.05
  6. Step 6: Final answer
    x = 10,398.78

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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.