Home / 13,843.56-20,768.66-4,483.60

Finding the Fourth Proportional to 13,843.56, 20,768.66 and 4,483.60

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Solution

The fourth proportional to 13,843.56, 20,768.66 and 4,483.60 is: 6,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.56 : 20,768.66 = 4,483.60 : x
  2. Step 2: Convert to fraction form
    13,843.56/20,768.66 = 4,483.60/x
  3. Step 3: Cross multiply
    13,843.56x = 20,768.66 × 4,483.60
  4. Step 4: Simplify right side
    13,843.56x = 93,118,363.98
  5. Step 5: Solve for x
    x = 93,118,363.98/13,843.56
  6. Step 6: Final answer
    x = 6,726.48

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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.