Home / 11,912.19-16,440.02-6,608.02

Finding the Fourth Proportional to 11,912.19, 16,440.02 and 6,608.02

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Solution

The fourth proportional to 11,912.19, 16,440.02 and 6,608.02 is: 9,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.19 : 16,440.02 = 6,608.02 : x
  2. Step 2: Convert to fraction form
    11,912.19/16,440.02 = 6,608.02/x
  3. Step 3: Cross multiply
    11,912.19x = 16,440.02 × 6,608.02
  4. Step 4: Simplify right side
    11,912.19x = 108,635,980.96
  5. Step 5: Solve for x
    x = 108,635,980.96/11,912.19
  6. Step 6: Final answer
    x = 9,119.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.