Home / 13,342.06-20,013.45-3,481.12

Finding the Fourth Proportional to 13,342.06, 20,013.45 and 3,481.12

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Solution

The fourth proportional to 13,342.06, 20,013.45 and 3,481.12 is: 5,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.06 : 20,013.45 = 3,481.12 : x
  2. Step 2: Convert to fraction form
    13,342.06/20,013.45 = 3,481.12/x
  3. Step 3: Cross multiply
    13,342.06x = 20,013.45 × 3,481.12
  4. Step 4: Simplify right side
    13,342.06x = 69,669,221.06
  5. Step 5: Solve for x
    x = 69,669,221.06/13,342.06
  6. Step 6: Final answer
    x = 5,221.77

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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.