Home / 9,945.25-14,917.97-3,019.75

Finding the Fourth Proportional to 9,945.25, 14,917.97 and 3,019.75

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Solution

The fourth proportional to 9,945.25, 14,917.97 and 3,019.75 is: 4,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.25 : 14,917.97 = 3,019.75 : x
  2. Step 2: Convert to fraction form
    9,945.25/14,917.97 = 3,019.75/x
  3. Step 3: Cross multiply
    9,945.25x = 14,917.97 × 3,019.75
  4. Step 4: Simplify right side
    9,945.25x = 45,048,539.91
  5. Step 5: Solve for x
    x = 45,048,539.91/9,945.25
  6. Step 6: Final answer
    x = 4,529.65

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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.