Home / 14,621.42-21,934.26-4,622.78

Finding the Fourth Proportional to 14,621.42, 21,934.26 and 4,622.78

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Solution

The fourth proportional to 14,621.42, 21,934.26 and 4,622.78 is: 6,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.42 : 21,934.26 = 4,622.78 : x
  2. Step 2: Convert to fraction form
    14,621.42/21,934.26 = 4,622.78/x
  3. Step 3: Cross multiply
    14,621.42x = 21,934.26 × 4,622.78
  4. Step 4: Simplify right side
    14,621.42x = 101,397,258.44
  5. Step 5: Solve for x
    x = 101,397,258.44/14,621.42
  6. Step 6: Final answer
    x = 6,934.84

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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.