Home / 14,826.71-20,460.68-8,112.24

Finding the Fourth Proportional to 14,826.71, 20,460.68 and 8,112.24

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Solution

The fourth proportional to 14,826.71, 20,460.68 and 8,112.24 is: 11,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.71 : 20,460.68 = 8,112.24 : x
  2. Step 2: Convert to fraction form
    14,826.71/20,460.68 = 8,112.24/x
  3. Step 3: Cross multiply
    14,826.71x = 20,460.68 × 8,112.24
  4. Step 4: Simplify right side
    14,826.71x = 165,981,906.16
  5. Step 5: Solve for x
    x = 165,981,906.16/14,826.71
  6. Step 6: Final answer
    x = 11,194.79

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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.