Home / 14,245.21-21,369.03-3,716.63

Finding the Fourth Proportional to 14,245.21, 21,369.03 and 3,716.63

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Solution

The fourth proportional to 14,245.21, 21,369.03 and 3,716.63 is: 5,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.21 : 21,369.03 = 3,716.63 : x
  2. Step 2: Convert to fraction form
    14,245.21/21,369.03 = 3,716.63/x
  3. Step 3: Cross multiply
    14,245.21x = 21,369.03 × 3,716.63
  4. Step 4: Simplify right side
    14,245.21x = 79,420,777.97
  5. Step 5: Solve for x
    x = 79,420,777.97/14,245.21
  6. Step 6: Final answer
    x = 5,575.26

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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.