Home / 11,949.04-17,930.76-4,163.32

Finding the Fourth Proportional to 11,949.04, 17,930.76 and 4,163.32

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Solution

The fourth proportional to 11,949.04, 17,930.76 and 4,163.32 is: 6,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.04 : 17,930.76 = 4,163.32 : x
  2. Step 2: Convert to fraction form
    11,949.04/17,930.76 = 4,163.32/x
  3. Step 3: Cross multiply
    11,949.04x = 17,930.76 × 4,163.32
  4. Step 4: Simplify right side
    11,949.04x = 74,651,491.72
  5. Step 5: Solve for x
    x = 74,651,491.72/11,949.04
  6. Step 6: Final answer
    x = 6,247.49

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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.