Home / 12,822.94-19,234.32-6,902.62

Finding the Fourth Proportional to 12,822.94, 19,234.32 and 6,902.62

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Solution

The fourth proportional to 12,822.94, 19,234.32 and 6,902.62 is: 10,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.94 : 19,234.32 = 6,902.62 : x
  2. Step 2: Convert to fraction form
    12,822.94/19,234.32 = 6,902.62/x
  3. Step 3: Cross multiply
    12,822.94x = 19,234.32 × 6,902.62
  4. Step 4: Simplify right side
    12,822.94x = 132,767,201.92
  5. Step 5: Solve for x
    x = 132,767,201.92/12,822.94
  6. Step 6: Final answer
    x = 10,353.88

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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.