Home / 13,193.62-19,785.71-4,871.39

Finding the Fourth Proportional to 13,193.62, 19,785.71 and 4,871.39

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Solution

The fourth proportional to 13,193.62, 19,785.71 and 4,871.39 is: 7,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.62 : 19,785.71 = 4,871.39 : x
  2. Step 2: Convert to fraction form
    13,193.62/19,785.71 = 4,871.39/x
  3. Step 3: Cross multiply
    13,193.62x = 19,785.71 × 4,871.39
  4. Step 4: Simplify right side
    13,193.62x = 96,383,823.09
  5. Step 5: Solve for x
    x = 96,383,823.09/13,193.62
  6. Step 6: Final answer
    x = 7,305.34

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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.