Home / 22,360.20-30,855.56-12,289.34

Finding the Fourth Proportional to 22,360.20, 30,855.56 and 12,289.34

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Solution

The fourth proportional to 22,360.20, 30,855.56 and 12,289.34 is: 16,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.20 : 30,855.56 = 12,289.34 : x
  2. Step 2: Convert to fraction form
    22,360.20/30,855.56 = 12,289.34/x
  3. Step 3: Cross multiply
    22,360.20x = 30,855.56 × 12,289.34
  4. Step 4: Simplify right side
    22,360.20x = 379,194,467.73
  5. Step 5: Solve for x
    x = 379,194,467.73/22,360.20
  6. Step 6: Final answer
    x = 16,958.46

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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.