Home / 13,522.36-20,281.03-3,660.36

Finding the Fourth Proportional to 13,522.36, 20,281.03 and 3,660.36

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Solution

The fourth proportional to 13,522.36, 20,281.03 and 3,660.36 is: 5,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.36 : 20,281.03 = 3,660.36 : x
  2. Step 2: Convert to fraction form
    13,522.36/20,281.03 = 3,660.36/x
  3. Step 3: Cross multiply
    13,522.36x = 20,281.03 × 3,660.36
  4. Step 4: Simplify right side
    13,522.36x = 74,235,806.36
  5. Step 5: Solve for x
    x = 74,235,806.36/13,522.36
  6. Step 6: Final answer
    x = 5,489.86

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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.