Home / 13,619.92-20,427.48-4,735.48

Finding the Fourth Proportional to 13,619.92, 20,427.48 and 4,735.48

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Solution

The fourth proportional to 13,619.92, 20,427.48 and 4,735.48 is: 7,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.92 : 20,427.48 = 4,735.48 : x
  2. Step 2: Convert to fraction form
    13,619.92/20,427.48 = 4,735.48/x
  3. Step 3: Cross multiply
    13,619.92x = 20,427.48 × 4,735.48
  4. Step 4: Simplify right side
    13,619.92x = 96,733,922.99
  5. Step 5: Solve for x
    x = 96,733,922.99/13,619.92
  6. Step 6: Final answer
    x = 7,102.39

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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.