Home / 11,331.28-16,996.32-3,539.56

Finding the Fourth Proportional to 11,331.28, 16,996.32 and 3,539.56

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Solution

The fourth proportional to 11,331.28, 16,996.32 and 3,539.56 is: 5,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.28 : 16,996.32 = 3,539.56 : x
  2. Step 2: Convert to fraction form
    11,331.28/16,996.32 = 3,539.56/x
  3. Step 3: Cross multiply
    11,331.28x = 16,996.32 × 3,539.56
  4. Step 4: Simplify right side
    11,331.28x = 60,159,494.42
  5. Step 5: Solve for x
    x = 60,159,494.42/11,331.28
  6. Step 6: Final answer
    x = 5,309.15

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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.