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Finding the Fourth Proportional to 9,974.96, 13,768.96 and 6,201.12

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Solution

The fourth proportional to 9,974.96, 13,768.96 and 6,201.12 is: 8,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.96 : 13,768.96 = 6,201.12 : x
  2. Step 2: Convert to fraction form
    9,974.96/13,768.96 = 6,201.12/x
  3. Step 3: Cross multiply
    9,974.96x = 13,768.96 × 6,201.12
  4. Step 4: Simplify right side
    9,974.96x = 85,382,973.24
  5. Step 5: Solve for x
    x = 85,382,973.24/9,974.96
  6. Step 6: Final answer
    x = 8,559.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.