Home / 11,638.98-17,460.81-3,321.54

Finding the Fourth Proportional to 11,638.98, 17,460.81 and 3,321.54

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Solution

The fourth proportional to 11,638.98, 17,460.81 and 3,321.54 is: 4,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.98 : 17,460.81 = 3,321.54 : x
  2. Step 2: Convert to fraction form
    11,638.98/17,460.81 = 3,321.54/x
  3. Step 3: Cross multiply
    11,638.98x = 17,460.81 × 3,321.54
  4. Step 4: Simplify right side
    11,638.98x = 57,996,778.85
  5. Step 5: Solve for x
    x = 57,996,778.85/11,638.98
  6. Step 6: Final answer
    x = 4,982.98

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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.