Home / 11,621.94-17,389.84-6,944.50

Finding the Fourth Proportional to 11,621.94, 17,389.84 and 6,944.50

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Solution

The fourth proportional to 11,621.94, 17,389.84 and 6,944.50 is: 10,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.94 : 17,389.84 = 6,944.50 : x
  2. Step 2: Convert to fraction form
    11,621.94/17,389.84 = 6,944.50/x
  3. Step 3: Cross multiply
    11,621.94x = 17,389.84 × 6,944.50
  4. Step 4: Simplify right side
    11,621.94x = 120,763,743.88
  5. Step 5: Solve for x
    x = 120,763,743.88/11,621.94
  6. Step 6: Final answer
    x = 10,391.01

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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.