Home / 13,748.11-20,621.98-3,359.95

Finding the Fourth Proportional to 13,748.11, 20,621.98 and 3,359.95

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Solution

The fourth proportional to 13,748.11, 20,621.98 and 3,359.95 is: 5,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.11 : 20,621.98 = 3,359.95 : x
  2. Step 2: Convert to fraction form
    13,748.11/20,621.98 = 3,359.95/x
  3. Step 3: Cross multiply
    13,748.11x = 20,621.98 × 3,359.95
  4. Step 4: Simplify right side
    13,748.11x = 69,288,774.35
  5. Step 5: Solve for x
    x = 69,288,774.35/13,748.11
  6. Step 6: Final answer
    x = 5,039.88

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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.