Home / 13,836.25-20,749.75-4,473.75

Finding the Fourth Proportional to 13,836.25, 20,749.75 and 4,473.75

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Solution

The fourth proportional to 13,836.25, 20,749.75 and 4,473.75 is: 6,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.25 : 20,749.75 = 4,473.75 : x
  2. Step 2: Convert to fraction form
    13,836.25/20,749.75 = 4,473.75/x
  3. Step 3: Cross multiply
    13,836.25x = 20,749.75 × 4,473.75
  4. Step 4: Simplify right side
    13,836.25x = 92,829,194.06
  5. Step 5: Solve for x
    x = 92,829,194.06/13,836.25
  6. Step 6: Final answer
    x = 6,709.13

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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.