Home / 12,412.03-18,617.79-4,092.54

Finding the Fourth Proportional to 12,412.03, 18,617.79 and 4,092.54

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Solution

The fourth proportional to 12,412.03, 18,617.79 and 4,092.54 is: 6,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.03 : 18,617.79 = 4,092.54 : x
  2. Step 2: Convert to fraction form
    12,412.03/18,617.79 = 4,092.54/x
  3. Step 3: Cross multiply
    12,412.03x = 18,617.79 × 4,092.54
  4. Step 4: Simplify right side
    12,412.03x = 76,194,050.29
  5. Step 5: Solve for x
    x = 76,194,050.29/12,412.03
  6. Step 6: Final answer
    x = 6,138.73

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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.