Home / 22,694.40-34,031.20-12,162.80

Finding the Fourth Proportional to 22,694.40, 34,031.20 and 12,162.80

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Solution

The fourth proportional to 22,694.40, 34,031.20 and 12,162.80 is: 18,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.40 : 34,031.20 = 12,162.80 : x
  2. Step 2: Convert to fraction form
    22,694.40/34,031.20 = 12,162.80/x
  3. Step 3: Cross multiply
    22,694.40x = 34,031.20 × 12,162.80
  4. Step 4: Simplify right side
    22,694.40x = 413,914,679.36
  5. Step 5: Solve for x
    x = 413,914,679.36/22,694.40
  6. Step 6: Final answer
    x = 18,238.63

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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.