Home / 11,331.80-16,998.51-3,935.30

Finding the Fourth Proportional to 11,331.80, 16,998.51 and 3,935.30

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Solution

The fourth proportional to 11,331.80, 16,998.51 and 3,935.30 is: 5,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.80 : 16,998.51 = 3,935.30 : x
  2. Step 2: Convert to fraction form
    11,331.80/16,998.51 = 3,935.30/x
  3. Step 3: Cross multiply
    11,331.80x = 16,998.51 × 3,935.30
  4. Step 4: Simplify right side
    11,331.80x = 66,894,236.40
  5. Step 5: Solve for x
    x = 66,894,236.40/11,331.80
  6. Step 6: Final answer
    x = 5,903.23

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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.