Home / 13,599.78-20,395.92-3,736.71

Finding the Fourth Proportional to 13,599.78, 20,395.92 and 3,736.71

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Solution

The fourth proportional to 13,599.78, 20,395.92 and 3,736.71 is: 5,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.78 : 20,395.92 = 3,736.71 : x
  2. Step 2: Convert to fraction form
    13,599.78/20,395.92 = 3,736.71/x
  3. Step 3: Cross multiply
    13,599.78x = 20,395.92 × 3,736.71
  4. Step 4: Simplify right side
    13,599.78x = 76,213,638.22
  5. Step 5: Solve for x
    x = 76,213,638.22/13,599.78
  6. Step 6: Final answer
    x = 5,604.03

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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.