Home / 11,945.04-17,917.24-3,180.02

Finding the Fourth Proportional to 11,945.04, 17,917.24 and 3,180.02

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Solution

The fourth proportional to 11,945.04, 17,917.24 and 3,180.02 is: 4,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.04 : 17,917.24 = 3,180.02 : x
  2. Step 2: Convert to fraction form
    11,945.04/17,917.24 = 3,180.02/x
  3. Step 3: Cross multiply
    11,945.04x = 17,917.24 × 3,180.02
  4. Step 4: Simplify right side
    11,945.04x = 56,977,181.54
  5. Step 5: Solve for x
    x = 56,977,181.54/11,945.04
  6. Step 6: Final answer
    x = 4,769.94

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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.