Home / 10,808.45-16,213.76-3,311.93

Finding the Fourth Proportional to 10,808.45, 16,213.76 and 3,311.93

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Solution

The fourth proportional to 10,808.45, 16,213.76 and 3,311.93 is: 4,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.45 : 16,213.76 = 3,311.93 : x
  2. Step 2: Convert to fraction form
    10,808.45/16,213.76 = 3,311.93/x
  3. Step 3: Cross multiply
    10,808.45x = 16,213.76 × 3,311.93
  4. Step 4: Simplify right side
    10,808.45x = 53,698,740.53
  5. Step 5: Solve for x
    x = 53,698,740.53/10,808.45
  6. Step 6: Final answer
    x = 4,968.22

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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.