Home / 11,211.10-16,812.60-4,544.80

Finding the Fourth Proportional to 11,211.10, 16,812.60 and 4,544.80

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Solution

The fourth proportional to 11,211.10, 16,812.60 and 4,544.80 is: 6,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.10 : 16,812.60 = 4,544.80 : x
  2. Step 2: Convert to fraction form
    11,211.10/16,812.60 = 4,544.80/x
  3. Step 3: Cross multiply
    11,211.10x = 16,812.60 × 4,544.80
  4. Step 4: Simplify right side
    11,211.10x = 76,409,904.48
  5. Step 5: Solve for x
    x = 76,409,904.48/11,211.10
  6. Step 6: Final answer
    x = 6,815.56

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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.