Home / 13,342.62-20,011.50-5,945.70

Finding the Fourth Proportional to 13,342.62, 20,011.50 and 5,945.70

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Solution

The fourth proportional to 13,342.62, 20,011.50 and 5,945.70 is: 8,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.62 : 20,011.50 = 5,945.70 : x
  2. Step 2: Convert to fraction form
    13,342.62/20,011.50 = 5,945.70/x
  3. Step 3: Cross multiply
    13,342.62x = 20,011.50 × 5,945.70
  4. Step 4: Simplify right side
    13,342.62x = 118,982,375.55
  5. Step 5: Solve for x
    x = 118,982,375.55/13,342.62
  6. Step 6: Final answer
    x = 8,917.47

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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.