Home / 22,226.24-30,671.84-12,290.24

Finding the Fourth Proportional to 22,226.24, 30,671.84 and 12,290.24

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Solution

The fourth proportional to 22,226.24, 30,671.84 and 12,290.24 is: 16,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.24 : 30,671.84 = 12,290.24 : x
  2. Step 2: Convert to fraction form
    22,226.24/30,671.84 = 12,290.24/x
  3. Step 3: Cross multiply
    22,226.24x = 30,671.84 × 12,290.24
  4. Step 4: Simplify right side
    22,226.24x = 376,964,274.84
  5. Step 5: Solve for x
    x = 376,964,274.84/22,226.24
  6. Step 6: Final answer
    x = 16,960.33

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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.