Home / 13,305.03-19,959.59-3,944.07

Finding the Fourth Proportional to 13,305.03, 19,959.59 and 3,944.07

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Solution

The fourth proportional to 13,305.03, 19,959.59 and 3,944.07 is: 5,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.03 : 19,959.59 = 3,944.07 : x
  2. Step 2: Convert to fraction form
    13,305.03/19,959.59 = 3,944.07/x
  3. Step 3: Cross multiply
    13,305.03x = 19,959.59 × 3,944.07
  4. Step 4: Simplify right side
    13,305.03x = 78,722,020.13
  5. Step 5: Solve for x
    x = 78,722,020.13/13,305.03
  6. Step 6: Final answer
    x = 5,916.71

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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.