Home / 9,634.20-14,382.30-8,949

Finding the Fourth Proportional to 9,634.20, 14,382.30 and 8,949

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Solution

The fourth proportional to 9,634.20, 14,382.30 and 8,949 is: 13,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,634.20 : 14,382.30 = 8,949 : x
  2. Step 2: Convert to fraction form
    9,634.20/14,382.30 = 8,949/x
  3. Step 3: Cross multiply
    9,634.20x = 14,382.30 × 8,949
  4. Step 4: Simplify right side
    9,634.20x = 128,707,202.70
  5. Step 5: Solve for x
    x = 128,707,202.70/9,634.20
  6. Step 6: Final answer
    x = 13,359.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.