Home / 9,906.72-14,850.10-6,211.56

Finding the Fourth Proportional to 9,906.72, 14,850.10 and 6,211.56

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Solution

The fourth proportional to 9,906.72, 14,850.10 and 6,211.56 is: 9,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.72 : 14,850.10 = 6,211.56 : x
  2. Step 2: Convert to fraction form
    9,906.72/14,850.10 = 6,211.56/x
  3. Step 3: Cross multiply
    9,906.72x = 14,850.10 × 6,211.56
  4. Step 4: Simplify right side
    9,906.72x = 92,242,287.16
  5. Step 5: Solve for x
    x = 92,242,287.16/9,906.72
  6. Step 6: Final answer
    x = 9,311.08

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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.