Home / 16,889.44-25,339.62-8,123.21

Finding the Fourth Proportional to 16,889.44, 25,339.62 and 8,123.21

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Solution

The fourth proportional to 16,889.44, 25,339.62 and 8,123.21 is: 12,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.44 : 25,339.62 = 8,123.21 : x
  2. Step 2: Convert to fraction form
    16,889.44/25,339.62 = 8,123.21/x
  3. Step 3: Cross multiply
    16,889.44x = 25,339.62 × 8,123.21
  4. Step 4: Simplify right side
    16,889.44x = 205,839,054.58
  5. Step 5: Solve for x
    x = 205,839,054.58/16,889.44
  6. Step 6: Final answer
    x = 12,187.44

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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.