Home / 14,105.24-21,157.20-3,575.54

Finding the Fourth Proportional to 14,105.24, 21,157.20 and 3,575.54

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Solution

The fourth proportional to 14,105.24, 21,157.20 and 3,575.54 is: 5,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.24 : 21,157.20 = 3,575.54 : x
  2. Step 2: Convert to fraction form
    14,105.24/21,157.20 = 3,575.54/x
  3. Step 3: Cross multiply
    14,105.24x = 21,157.20 × 3,575.54
  4. Step 4: Simplify right side
    14,105.24x = 75,648,467.78
  5. Step 5: Solve for x
    x = 75,648,467.78/14,105.24
  6. Step 6: Final answer
    x = 5,363.15

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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.