Home / 13,579.74-20,366.91-3,716.46

Finding the Fourth Proportional to 13,579.74, 20,366.91 and 3,716.46

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Solution

The fourth proportional to 13,579.74, 20,366.91 and 3,716.46 is: 5,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.74 : 20,366.91 = 3,716.46 : x
  2. Step 2: Convert to fraction form
    13,579.74/20,366.91 = 3,716.46/x
  3. Step 3: Cross multiply
    13,579.74x = 20,366.91 × 3,716.46
  4. Step 4: Simplify right side
    13,579.74x = 75,692,806.34
  5. Step 5: Solve for x
    x = 75,692,806.34/13,579.74
  6. Step 6: Final answer
    x = 5,573.95

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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.