Home / 13,976.22-20,964.35-3,587.97

Finding the Fourth Proportional to 13,976.22, 20,964.35 and 3,587.97

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Solution

The fourth proportional to 13,976.22, 20,964.35 and 3,587.97 is: 5,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.22 : 20,964.35 = 3,587.97 : x
  2. Step 2: Convert to fraction form
    13,976.22/20,964.35 = 3,587.97/x
  3. Step 3: Cross multiply
    13,976.22x = 20,964.35 × 3,587.97
  4. Step 4: Simplify right side
    13,976.22x = 75,219,440.93
  5. Step 5: Solve for x
    x = 75,219,440.93/13,976.22
  6. Step 6: Final answer
    x = 5,381.96

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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.