Home / 13,577.75-20,366.61-3,717.80

Finding the Fourth Proportional to 13,577.75, 20,366.61 and 3,717.80

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Solution

The fourth proportional to 13,577.75, 20,366.61 and 3,717.80 is: 5,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.75 : 20,366.61 = 3,717.80 : x
  2. Step 2: Convert to fraction form
    13,577.75/20,366.61 = 3,717.80/x
  3. Step 3: Cross multiply
    13,577.75x = 20,366.61 × 3,717.80
  4. Step 4: Simplify right side
    13,577.75x = 75,718,982.66
  5. Step 5: Solve for x
    x = 75,718,982.66/13,577.75
  6. Step 6: Final answer
    x = 5,576.70

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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.