Home / 14,197.21-21,299.99-4,202.21

Finding the Fourth Proportional to 14,197.21, 21,299.99 and 4,202.21

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Solution

The fourth proportional to 14,197.21, 21,299.99 and 4,202.21 is: 6,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.21 : 21,299.99 = 4,202.21 : x
  2. Step 2: Convert to fraction form
    14,197.21/21,299.99 = 4,202.21/x
  3. Step 3: Cross multiply
    14,197.21x = 21,299.99 × 4,202.21
  4. Step 4: Simplify right side
    14,197.21x = 89,507,063.22
  5. Step 5: Solve for x
    x = 89,507,063.22/14,197.21
  6. Step 6: Final answer
    x = 6,304.55

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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.