Home / 22,467.66-31,006.92-12,909.09

Finding the Fourth Proportional to 22,467.66, 31,006.92 and 12,909.09

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Solution

The fourth proportional to 22,467.66, 31,006.92 and 12,909.09 is: 17,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.66 : 31,006.92 = 12,909.09 : x
  2. Step 2: Convert to fraction form
    22,467.66/31,006.92 = 12,909.09/x
  3. Step 3: Cross multiply
    22,467.66x = 31,006.92 × 12,909.09
  4. Step 4: Simplify right side
    22,467.66x = 400,271,120.90
  5. Step 5: Solve for x
    x = 400,271,120.90/22,467.66
  6. Step 6: Final answer
    x = 17,815.43

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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.