Home / 22,351.30-30,844.74-12,280.42

Finding the Fourth Proportional to 22,351.30, 30,844.74 and 12,280.42

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Solution

The fourth proportional to 22,351.30, 30,844.74 and 12,280.42 is: 16,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.30 : 30,844.74 = 12,280.42 : x
  2. Step 2: Convert to fraction form
    22,351.30/30,844.74 = 12,280.42/x
  3. Step 3: Cross multiply
    22,351.30x = 30,844.74 × 12,280.42
  4. Step 4: Simplify right side
    22,351.30x = 378,786,361.99
  5. Step 5: Solve for x
    x = 378,786,361.99/22,351.30
  6. Step 6: Final answer
    x = 16,946.95

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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.