Home / 11,379.10-17,071.65-3,983.56

Finding the Fourth Proportional to 11,379.10, 17,071.65 and 3,983.56

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Solution

The fourth proportional to 11,379.10, 17,071.65 and 3,983.56 is: 5,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.10 : 17,071.65 = 3,983.56 : x
  2. Step 2: Convert to fraction form
    11,379.10/17,071.65 = 3,983.56/x
  3. Step 3: Cross multiply
    11,379.10x = 17,071.65 × 3,983.56
  4. Step 4: Simplify right side
    11,379.10x = 68,005,942.07
  5. Step 5: Solve for x
    x = 68,005,942.07/11,379.10
  6. Step 6: Final answer
    x = 5,976.39

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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.