Home / 13,750.75-20,625.99-3,888.73

Finding the Fourth Proportional to 13,750.75, 20,625.99 and 3,888.73

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Solution

The fourth proportional to 13,750.75, 20,625.99 and 3,888.73 is: 5,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.75 : 20,625.99 = 3,888.73 : x
  2. Step 2: Convert to fraction form
    13,750.75/20,625.99 = 3,888.73/x
  3. Step 3: Cross multiply
    13,750.75x = 20,625.99 × 3,888.73
  4. Step 4: Simplify right side
    13,750.75x = 80,208,906.09
  5. Step 5: Solve for x
    x = 80,208,906.09/13,750.75
  6. Step 6: Final answer
    x = 5,833.06

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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.