Home / 13,194.78-19,790.34-3,333.45

Finding the Fourth Proportional to 13,194.78, 19,790.34 and 3,333.45

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Solution

The fourth proportional to 13,194.78, 19,790.34 and 3,333.45 is: 4,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.78 : 19,790.34 = 3,333.45 : x
  2. Step 2: Convert to fraction form
    13,194.78/19,790.34 = 3,333.45/x
  3. Step 3: Cross multiply
    13,194.78x = 19,790.34 × 3,333.45
  4. Step 4: Simplify right side
    13,194.78x = 65,970,108.87
  5. Step 5: Solve for x
    x = 65,970,108.87/13,194.78
  6. Step 6: Final answer
    x = 4,999.71

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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.