Home / 11,121.02-16,676.67-3,328.01

Finding the Fourth Proportional to 11,121.02, 16,676.67 and 3,328.01

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Solution

The fourth proportional to 11,121.02, 16,676.67 and 3,328.01 is: 4,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.02 : 16,676.67 = 3,328.01 : x
  2. Step 2: Convert to fraction form
    11,121.02/16,676.67 = 3,328.01/x
  3. Step 3: Cross multiply
    11,121.02x = 16,676.67 × 3,328.01
  4. Step 4: Simplify right side
    11,121.02x = 55,500,124.53
  5. Step 5: Solve for x
    x = 55,500,124.53/11,121.02
  6. Step 6: Final answer
    x = 4,990.56

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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.