Home / 14,979.64-20,672.57-8,608.29

Finding the Fourth Proportional to 14,979.64, 20,672.57 and 8,608.29

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Solution

The fourth proportional to 14,979.64, 20,672.57 and 8,608.29 is: 11,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.64 : 20,672.57 = 8,608.29 : x
  2. Step 2: Convert to fraction form
    14,979.64/20,672.57 = 8,608.29/x
  3. Step 3: Cross multiply
    14,979.64x = 20,672.57 × 8,608.29
  4. Step 4: Simplify right side
    14,979.64x = 177,955,477.61
  5. Step 5: Solve for x
    x = 177,955,477.61/14,979.64
  6. Step 6: Final answer
    x = 11,879.82

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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.