Home / 13,837.60-20,743.44-6,814.90

Finding the Fourth Proportional to 13,837.60, 20,743.44 and 6,814.90

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Solution

The fourth proportional to 13,837.60, 20,743.44 and 6,814.90 is: 10,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.60 : 20,743.44 = 6,814.90 : x
  2. Step 2: Convert to fraction form
    13,837.60/20,743.44 = 6,814.90/x
  3. Step 3: Cross multiply
    13,837.60x = 20,743.44 × 6,814.90
  4. Step 4: Simplify right side
    13,837.60x = 141,364,469.26
  5. Step 5: Solve for x
    x = 141,364,469.26/13,837.60
  6. Step 6: Final answer
    x = 10,215.97

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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.