Home / 13,784.22-20,675.79-4,424.00

Finding the Fourth Proportional to 13,784.22, 20,675.79 and 4,424.00

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Solution

The fourth proportional to 13,784.22, 20,675.79 and 4,424.00 is: 6,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.22 : 20,675.79 = 4,424.00 : x
  2. Step 2: Convert to fraction form
    13,784.22/20,675.79 = 4,424.00/x
  3. Step 3: Cross multiply
    13,784.22x = 20,675.79 × 4,424.00
  4. Step 4: Simplify right side
    13,784.22x = 91,469,591.58
  5. Step 5: Solve for x
    x = 91,469,591.58/13,784.22
  6. Step 6: Final answer
    x = 6,635.82

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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.