Home / 11,974.77-17,945.69-6,119.15

Finding the Fourth Proportional to 11,974.77, 17,945.69 and 6,119.15

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Solution

The fourth proportional to 11,974.77, 17,945.69 and 6,119.15 is: 9,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.77 : 17,945.69 = 6,119.15 : x
  2. Step 2: Convert to fraction form
    11,974.77/17,945.69 = 6,119.15/x
  3. Step 3: Cross multiply
    11,974.77x = 17,945.69 × 6,119.15
  4. Step 4: Simplify right side
    11,974.77x = 109,812,248.64
  5. Step 5: Solve for x
    x = 109,812,248.64/11,974.77
  6. Step 6: Final answer
    x = 9,170.30

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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.