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Finding the Fourth Proportional to 9,930.94, 14,896.44 and 3,005.44

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Solution

The fourth proportional to 9,930.94, 14,896.44 and 3,005.44 is: 4,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.94 : 14,896.44 = 3,005.44 : x
  2. Step 2: Convert to fraction form
    9,930.94/14,896.44 = 3,005.44/x
  3. Step 3: Cross multiply
    9,930.94x = 14,896.44 × 3,005.44
  4. Step 4: Simplify right side
    9,930.94x = 44,770,319.39
  5. Step 5: Solve for x
    x = 44,770,319.39/9,930.94
  6. Step 6: Final answer
    x = 4,508.17

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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.