Home / 19,091.03-28,647.71-7,996.78

Finding the Fourth Proportional to 19,091.03, 28,647.71 and 7,996.78

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Solution

The fourth proportional to 19,091.03, 28,647.71 and 7,996.78 is: 11,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.03 : 28,647.71 = 7,996.78 : x
  2. Step 2: Convert to fraction form
    19,091.03/28,647.71 = 7,996.78/x
  3. Step 3: Cross multiply
    19,091.03x = 28,647.71 × 7,996.78
  4. Step 4: Simplify right side
    19,091.03x = 229,089,251.15
  5. Step 5: Solve for x
    x = 229,089,251.15/19,091.03
  6. Step 6: Final answer
    x = 11,999.84

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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.