Home / 11,945.07-17,917.98-3,060.47

Finding the Fourth Proportional to 11,945.07, 17,917.98 and 3,060.47

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Solution

The fourth proportional to 11,945.07, 17,917.98 and 3,060.47 is: 4,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.07 : 17,917.98 = 3,060.47 : x
  2. Step 2: Convert to fraction form
    11,945.07/17,917.98 = 3,060.47/x
  3. Step 3: Cross multiply
    11,945.07x = 17,917.98 × 3,060.47
  4. Step 4: Simplify right side
    11,945.07x = 54,837,350.66
  5. Step 5: Solve for x
    x = 54,837,350.66/11,945.07
  6. Step 6: Final answer
    x = 4,590.79

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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.