Home / 13,481.04-20,208.48-6,910.32

Finding the Fourth Proportional to 13,481.04, 20,208.48 and 6,910.32

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Solution

The fourth proportional to 13,481.04, 20,208.48 and 6,910.32 is: 10,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.04 : 20,208.48 = 6,910.32 : x
  2. Step 2: Convert to fraction form
    13,481.04/20,208.48 = 6,910.32/x
  3. Step 3: Cross multiply
    13,481.04x = 20,208.48 × 6,910.32
  4. Step 4: Simplify right side
    13,481.04x = 139,647,063.51
  5. Step 5: Solve for x
    x = 139,647,063.51/13,481.04
  6. Step 6: Final answer
    x = 10,358.78

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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.