Home / 11,019.20-16,531.23-3,623.36

Finding the Fourth Proportional to 11,019.20, 16,531.23 and 3,623.36

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Solution

The fourth proportional to 11,019.20, 16,531.23 and 3,623.36 is: 5,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.20 : 16,531.23 = 3,623.36 : x
  2. Step 2: Convert to fraction form
    11,019.20/16,531.23 = 3,623.36/x
  3. Step 3: Cross multiply
    11,019.20x = 16,531.23 × 3,623.36
  4. Step 4: Simplify right side
    11,019.20x = 59,898,597.53
  5. Step 5: Solve for x
    x = 59,898,597.53/11,019.20
  6. Step 6: Final answer
    x = 5,435.84

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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.