Home / 12,173.58-18,227.73-8,467.98

Finding the Fourth Proportional to 12,173.58, 18,227.73 and 8,467.98

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Solution

The fourth proportional to 12,173.58, 18,227.73 and 8,467.98 is: 12,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.58 : 18,227.73 = 8,467.98 : x
  2. Step 2: Convert to fraction form
    12,173.58/18,227.73 = 8,467.98/x
  3. Step 3: Cross multiply
    12,173.58x = 18,227.73 × 8,467.98
  4. Step 4: Simplify right side
    12,173.58x = 154,352,053.09
  5. Step 5: Solve for x
    x = 154,352,053.09/12,173.58
  6. Step 6: Final answer
    x = 12,679.27

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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.