Home / 12,999.82-19,497.70-4,234.68

Finding the Fourth Proportional to 12,999.82, 19,497.70 and 4,234.68

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Solution

The fourth proportional to 12,999.82, 19,497.70 and 4,234.68 is: 6,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.82 : 19,497.70 = 4,234.68 : x
  2. Step 2: Convert to fraction form
    12,999.82/19,497.70 = 4,234.68/x
  3. Step 3: Cross multiply
    12,999.82x = 19,497.70 × 4,234.68
  4. Step 4: Simplify right side
    12,999.82x = 82,566,520.24
  5. Step 5: Solve for x
    x = 82,566,520.24/12,999.82
  6. Step 6: Final answer
    x = 6,351.36

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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.