Home / 13,976.50-20,964.76-3,588.26

Finding the Fourth Proportional to 13,976.50, 20,964.76 and 3,588.26

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Solution

The fourth proportional to 13,976.50, 20,964.76 and 3,588.26 is: 5,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.50 : 20,964.76 = 3,588.26 : x
  2. Step 2: Convert to fraction form
    13,976.50/20,964.76 = 3,588.26/x
  3. Step 3: Cross multiply
    13,976.50x = 20,964.76 × 3,588.26
  4. Step 4: Simplify right side
    13,976.50x = 75,227,009.72
  5. Step 5: Solve for x
    x = 75,227,009.72/13,976.50
  6. Step 6: Final answer
    x = 5,382.39

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Similar ratio
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1.5x scale

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.