Home / 13,723.50-20,587.20-4,236.62

Finding the Fourth Proportional to 13,723.50, 20,587.20 and 4,236.62

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Solution

The fourth proportional to 13,723.50, 20,587.20 and 4,236.62 is: 6,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.50 : 20,587.20 = 4,236.62 : x
  2. Step 2: Convert to fraction form
    13,723.50/20,587.20 = 4,236.62/x
  3. Step 3: Cross multiply
    13,723.50x = 20,587.20 × 4,236.62
  4. Step 4: Simplify right side
    13,723.50x = 87,220,040.33
  5. Step 5: Solve for x
    x = 87,220,040.33/13,723.50
  6. Step 6: Final answer
    x = 6,355.52

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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.