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Finding the Fourth Proportional to 8,992.54, 13,469.16 and 7,414.82

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Solution

The fourth proportional to 8,992.54, 13,469.16 and 7,414.82 is: 11,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.54 : 13,469.16 = 7,414.82 : x
  2. Step 2: Convert to fraction form
    8,992.54/13,469.16 = 7,414.82/x
  3. Step 3: Cross multiply
    8,992.54x = 13,469.16 × 7,414.82
  4. Step 4: Simplify right side
    8,992.54x = 99,871,396.95
  5. Step 5: Solve for x
    x = 99,871,396.95/8,992.54
  6. Step 6: Final answer
    x = 11,106.03

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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.