Home / 21,447.75-32,163.72-7,404.19

Finding the Fourth Proportional to 21,447.75, 32,163.72 and 7,404.19

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Solution

The fourth proportional to 21,447.75, 32,163.72 and 7,404.19 is: 11,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.75 : 32,163.72 = 7,404.19 : x
  2. Step 2: Convert to fraction form
    21,447.75/32,163.72 = 7,404.19/x
  3. Step 3: Cross multiply
    21,447.75x = 32,163.72 × 7,404.19
  4. Step 4: Simplify right side
    21,447.75x = 238,146,293.99
  5. Step 5: Solve for x
    x = 238,146,293.99/21,447.75
  6. Step 6: Final answer
    x = 11,103.56

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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.