Home / 11,992.77-17,994.33-6,439.62

Finding the Fourth Proportional to 11,992.77, 17,994.33 and 6,439.62

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Solution

The fourth proportional to 11,992.77, 17,994.33 and 6,439.62 is: 9,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.77 : 17,994.33 = 6,439.62 : x
  2. Step 2: Convert to fraction form
    11,992.77/17,994.33 = 6,439.62/x
  3. Step 3: Cross multiply
    11,992.77x = 17,994.33 × 6,439.62
  4. Step 4: Simplify right side
    11,992.77x = 115,876,647.35
  5. Step 5: Solve for x
    x = 115,876,647.35/11,992.77
  6. Step 6: Final answer
    x = 9,662.21

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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.