Home / 13,300.44-19,951.17-4,979.58

Finding the Fourth Proportional to 13,300.44, 19,951.17 and 4,979.58

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Solution

The fourth proportional to 13,300.44, 19,951.17 and 4,979.58 is: 7,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.44 : 19,951.17 = 4,979.58 : x
  2. Step 2: Convert to fraction form
    13,300.44/19,951.17 = 4,979.58/x
  3. Step 3: Cross multiply
    13,300.44x = 19,951.17 × 4,979.58
  4. Step 4: Simplify right side
    13,300.44x = 99,348,447.11
  5. Step 5: Solve for x
    x = 99,348,447.11/13,300.44
  6. Step 6: Final answer
    x = 7,469.56

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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.