Home / 22,078.20-30,467.16-12,644.94

Finding the Fourth Proportional to 22,078.20, 30,467.16 and 12,644.94

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Solution

The fourth proportional to 22,078.20, 30,467.16 and 12,644.94 is: 17,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.20 : 30,467.16 = 12,644.94 : x
  2. Step 2: Convert to fraction form
    22,078.20/30,467.16 = 12,644.94/x
  3. Step 3: Cross multiply
    22,078.20x = 30,467.16 × 12,644.94
  4. Step 4: Simplify right side
    22,078.20x = 385,255,410.17
  5. Step 5: Solve for x
    x = 385,255,410.17/22,078.20
  6. Step 6: Final answer
    x = 17,449.58

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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.