Home / 11,980.26-17,936.49-6,345.11

Finding the Fourth Proportional to 11,980.26, 17,936.49 and 6,345.11

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Solution

The fourth proportional to 11,980.26, 17,936.49 and 6,345.11 is: 9,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.26 : 17,936.49 = 6,345.11 : x
  2. Step 2: Convert to fraction form
    11,980.26/17,936.49 = 6,345.11/x
  3. Step 3: Cross multiply
    11,980.26x = 17,936.49 × 6,345.11
  4. Step 4: Simplify right side
    11,980.26x = 113,808,912.38
  5. Step 5: Solve for x
    x = 113,808,912.38/11,980.26
  6. Step 6: Final answer
    x = 9,499.70

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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.