Home / 12,208.88-18,294.38-8,467.97

Finding the Fourth Proportional to 12,208.88, 18,294.38 and 8,467.97

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Solution

The fourth proportional to 12,208.88, 18,294.38 and 8,467.97 is: 12,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.88 : 18,294.38 = 8,467.97 : x
  2. Step 2: Convert to fraction form
    12,208.88/18,294.38 = 8,467.97/x
  3. Step 3: Cross multiply
    12,208.88x = 18,294.38 × 8,467.97
  4. Step 4: Simplify right side
    12,208.88x = 154,916,127.20
  5. Step 5: Solve for x
    x = 154,916,127.20/12,208.88
  6. Step 6: Final answer
    x = 12,688.81

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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.