Home / 9,755.39-14,631.60-3,181.56

Finding the Fourth Proportional to 9,755.39, 14,631.60 and 3,181.56

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Solution

The fourth proportional to 9,755.39, 14,631.60 and 3,181.56 is: 4,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.39 : 14,631.60 = 3,181.56 : x
  2. Step 2: Convert to fraction form
    9,755.39/14,631.60 = 3,181.56/x
  3. Step 3: Cross multiply
    9,755.39x = 14,631.60 × 3,181.56
  4. Step 4: Simplify right side
    9,755.39x = 46,551,333.97
  5. Step 5: Solve for x
    x = 46,551,333.97/9,755.39
  6. Step 6: Final answer
    x = 4,771.86

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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.