Home / 14,906.14-20,570.83-8,191.91

Finding the Fourth Proportional to 14,906.14, 20,570.83 and 8,191.91

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Solution

The fourth proportional to 14,906.14, 20,570.83 and 8,191.91 is: 11,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.14 : 20,570.83 = 8,191.91 : x
  2. Step 2: Convert to fraction form
    14,906.14/20,570.83 = 8,191.91/x
  3. Step 3: Cross multiply
    14,906.14x = 20,570.83 × 8,191.91
  4. Step 4: Simplify right side
    14,906.14x = 168,514,418.93
  5. Step 5: Solve for x
    x = 168,514,418.93/14,906.14
  6. Step 6: Final answer
    x = 11,305.04

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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.