Home / 13,755.24-20,631.84-4,394.88

Finding the Fourth Proportional to 13,755.24, 20,631.84 and 4,394.88

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Solution

The fourth proportional to 13,755.24, 20,631.84 and 4,394.88 is: 6,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.24 : 20,631.84 = 4,394.88 : x
  2. Step 2: Convert to fraction form
    13,755.24/20,631.84 = 4,394.88/x
  3. Step 3: Cross multiply
    13,755.24x = 20,631.84 × 4,394.88
  4. Step 4: Simplify right side
    13,755.24x = 90,674,460.98
  5. Step 5: Solve for x
    x = 90,674,460.98/13,755.24
  6. Step 6: Final answer
    x = 6,591.99

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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.