Home / 11,003.16-16,506.21-3,211.86

Finding the Fourth Proportional to 11,003.16, 16,506.21 and 3,211.86

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Solution

The fourth proportional to 11,003.16, 16,506.21 and 3,211.86 is: 4,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.16 : 16,506.21 = 3,211.86 : x
  2. Step 2: Convert to fraction form
    11,003.16/16,506.21 = 3,211.86/x
  3. Step 3: Cross multiply
    11,003.16x = 16,506.21 × 3,211.86
  4. Step 4: Simplify right side
    11,003.16x = 53,015,635.65
  5. Step 5: Solve for x
    x = 53,015,635.65/11,003.16
  6. Step 6: Final answer
    x = 4,818.22

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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.