Home / 13,342.03-20,013.06-3,481.30

Finding the Fourth Proportional to 13,342.03, 20,013.06 and 3,481.30

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Solution

The fourth proportional to 13,342.03, 20,013.06 and 3,481.30 is: 5,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.03 : 20,013.06 = 3,481.30 : x
  2. Step 2: Convert to fraction form
    13,342.03/20,013.06 = 3,481.30/x
  3. Step 3: Cross multiply
    13,342.03x = 20,013.06 × 3,481.30
  4. Step 4: Simplify right side
    13,342.03x = 69,671,465.78
  5. Step 5: Solve for x
    x = 69,671,465.78/13,342.03
  6. Step 6: Final answer
    x = 5,221.95

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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.