Home / 14,979.56-20,672.73-8,608.19

Finding the Fourth Proportional to 14,979.56, 20,672.73 and 8,608.19

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Solution

The fourth proportional to 14,979.56, 20,672.73 and 8,608.19 is: 11,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.56 : 20,672.73 = 8,608.19 : x
  2. Step 2: Convert to fraction form
    14,979.56/20,672.73 = 8,608.19/x
  3. Step 3: Cross multiply
    14,979.56x = 20,672.73 × 8,608.19
  4. Step 4: Simplify right side
    14,979.56x = 177,954,684.30
  5. Step 5: Solve for x
    x = 177,954,684.30/14,979.56
  6. Step 6: Final answer
    x = 11,879.84

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1.5x scale

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.