Home / 16,899.44-25,345.32-8,129.84

Finding the Fourth Proportional to 16,899.44, 25,345.32 and 8,129.84

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Solution

The fourth proportional to 16,899.44, 25,345.32 and 8,129.84 is: 12,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.44 : 25,345.32 = 8,129.84 : x
  2. Step 2: Convert to fraction form
    16,899.44/25,345.32 = 8,129.84/x
  3. Step 3: Cross multiply
    16,899.44x = 25,345.32 × 8,129.84
  4. Step 4: Simplify right side
    16,899.44x = 206,053,396.35
  5. Step 5: Solve for x
    x = 206,053,396.35/16,899.44
  6. Step 6: Final answer
    x = 12,192.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.