Home / 13,759.30-18,992.34-8,093.80

Finding the Fourth Proportional to 13,759.30, 18,992.34 and 8,093.80

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Solution

The fourth proportional to 13,759.30, 18,992.34 and 8,093.80 is: 11,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.30 : 18,992.34 = 8,093.80 : x
  2. Step 2: Convert to fraction form
    13,759.30/18,992.34 = 8,093.80/x
  3. Step 3: Cross multiply
    13,759.30x = 18,992.34 × 8,093.80
  4. Step 4: Simplify right side
    13,759.30x = 153,720,201.49
  5. Step 5: Solve for x
    x = 153,720,201.49/13,759.30
  6. Step 6: Final answer
    x = 11,172.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.