Home / 14,122.09-21,183.68-4,261.37

Finding the Fourth Proportional to 14,122.09, 21,183.68 and 4,261.37

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Solution

The fourth proportional to 14,122.09, 21,183.68 and 4,261.37 is: 6,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.09 : 21,183.68 = 4,261.37 : x
  2. Step 2: Convert to fraction form
    14,122.09/21,183.68 = 4,261.37/x
  3. Step 3: Cross multiply
    14,122.09x = 21,183.68 × 4,261.37
  4. Step 4: Simplify right side
    14,122.09x = 90,271,392.52
  5. Step 5: Solve for x
    x = 90,271,392.52/14,122.09
  6. Step 6: Final answer
    x = 6,392.21

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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.