Home / 9,211.20-13,811.94-4,011

Finding the Fourth Proportional to 9,211.20, 13,811.94 and 4,011

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Solution

The fourth proportional to 9,211.20, 13,811.94 and 4,011 is: 6,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.20 : 13,811.94 = 4,011 : x
  2. Step 2: Convert to fraction form
    9,211.20/13,811.94 = 4,011/x
  3. Step 3: Cross multiply
    9,211.20x = 13,811.94 × 4,011
  4. Step 4: Simplify right side
    9,211.20x = 55,399,691.34
  5. Step 5: Solve for x
    x = 55,399,691.34/9,211.20
  6. Step 6: Final answer
    x = 6,014.38

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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.