Home / 11,331.90-16,997.58-3,539.70

Finding the Fourth Proportional to 11,331.90, 16,997.58 and 3,539.70

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Solution

The fourth proportional to 11,331.90, 16,997.58 and 3,539.70 is: 5,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.90 : 16,997.58 = 3,539.70 : x
  2. Step 2: Convert to fraction form
    11,331.90/16,997.58 = 3,539.70/x
  3. Step 3: Cross multiply
    11,331.90x = 16,997.58 × 3,539.70
  4. Step 4: Simplify right side
    11,331.90x = 60,166,333.93
  5. Step 5: Solve for x
    x = 60,166,333.93/11,331.90
  6. Step 6: Final answer
    x = 5,309.47

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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.