Home / 14,122.44-21,183.81-4,261.80

Finding the Fourth Proportional to 14,122.44, 21,183.81 and 4,261.80

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Solution

The fourth proportional to 14,122.44, 21,183.81 and 4,261.80 is: 6,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.44 : 21,183.81 = 4,261.80 : x
  2. Step 2: Convert to fraction form
    14,122.44/21,183.81 = 4,261.80/x
  3. Step 3: Cross multiply
    14,122.44x = 21,183.81 × 4,261.80
  4. Step 4: Simplify right side
    14,122.44x = 90,281,214.42
  5. Step 5: Solve for x
    x = 90,281,214.42/14,122.44
  6. Step 6: Final answer
    x = 6,392.75

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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.