Home / 11,939.41-17,896.61-6,666.68

Finding the Fourth Proportional to 11,939.41, 17,896.61 and 6,666.68

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Solution

The fourth proportional to 11,939.41, 17,896.61 and 6,666.68 is: 9,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.41 : 17,896.61 = 6,666.68 : x
  2. Step 2: Convert to fraction form
    11,939.41/17,896.61 = 6,666.68/x
  3. Step 3: Cross multiply
    11,939.41x = 17,896.61 × 6,666.68
  4. Step 4: Simplify right side
    11,939.41x = 119,311,033.36
  5. Step 5: Solve for x
    x = 119,311,033.36/11,939.41
  6. Step 6: Final answer
    x = 9,993.04

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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.