Home / 13,384.67-20,077.98-3,523.88

Finding the Fourth Proportional to 13,384.67, 20,077.98 and 3,523.88

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Solution

The fourth proportional to 13,384.67, 20,077.98 and 3,523.88 is: 5,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.67 : 20,077.98 = 3,523.88 : x
  2. Step 2: Convert to fraction form
    13,384.67/20,077.98 = 3,523.88/x
  3. Step 3: Cross multiply
    13,384.67x = 20,077.98 × 3,523.88
  4. Step 4: Simplify right side
    13,384.67x = 70,752,304.99
  5. Step 5: Solve for x
    x = 70,752,304.99/13,384.67
  6. Step 6: Final answer
    x = 5,286.07

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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.