Home / 13,079.52-19,619.42-5,183.96

Finding the Fourth Proportional to 13,079.52, 19,619.42 and 5,183.96

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Solution

The fourth proportional to 13,079.52, 19,619.42 and 5,183.96 is: 7,775.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.52 : 19,619.42 = 5,183.96 : x
  2. Step 2: Convert to fraction form
    13,079.52/19,619.42 = 5,183.96/x
  3. Step 3: Cross multiply
    13,079.52x = 19,619.42 × 5,183.96
  4. Step 4: Simplify right side
    13,079.52x = 101,706,164.49
  5. Step 5: Solve for x
    x = 101,706,164.49/13,079.52
  6. Step 6: Final answer
    x = 7,775.99

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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.