Home / 9,169.70-13,755.31-2,930.60

Finding the Fourth Proportional to 9,169.70, 13,755.31 and 2,930.60

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Solution

The fourth proportional to 9,169.70, 13,755.31 and 2,930.60 is: 4,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.70 : 13,755.31 = 2,930.60 : x
  2. Step 2: Convert to fraction form
    9,169.70/13,755.31 = 2,930.60/x
  3. Step 3: Cross multiply
    9,169.70x = 13,755.31 × 2,930.60
  4. Step 4: Simplify right side
    9,169.70x = 40,311,235.38
  5. Step 5: Solve for x
    x = 40,311,235.38/9,169.70
  6. Step 6: Final answer
    x = 4,396.14

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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.