Home / 14,152.82-21,229.41-5,388.21

Finding the Fourth Proportional to 14,152.82, 21,229.41 and 5,388.21

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Solution

The fourth proportional to 14,152.82, 21,229.41 and 5,388.21 is: 8,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.82 : 21,229.41 = 5,388.21 : x
  2. Step 2: Convert to fraction form
    14,152.82/21,229.41 = 5,388.21/x
  3. Step 3: Cross multiply
    14,152.82x = 21,229.41 × 5,388.21
  4. Step 4: Simplify right side
    14,152.82x = 114,388,519.26
  5. Step 5: Solve for x
    x = 114,388,519.26/14,152.82
  6. Step 6: Final answer
    x = 8,082.39

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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.