Home / 13,610.88-20,416.68-3,750.30

Finding the Fourth Proportional to 13,610.88, 20,416.68 and 3,750.30

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Solution

The fourth proportional to 13,610.88, 20,416.68 and 3,750.30 is: 5,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.88 : 20,416.68 = 3,750.30 : x
  2. Step 2: Convert to fraction form
    13,610.88/20,416.68 = 3,750.30/x
  3. Step 3: Cross multiply
    13,610.88x = 20,416.68 × 3,750.30
  4. Step 4: Simplify right side
    13,610.88x = 76,568,675.00
  5. Step 5: Solve for x
    x = 76,568,675.00/13,610.88
  6. Step 6: Final answer
    x = 5,625.55

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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.