Home / 19,091.44-28,631.67-7,997.86

Finding the Fourth Proportional to 19,091.44, 28,631.67 and 7,997.86

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Solution

The fourth proportional to 19,091.44, 28,631.67 and 7,997.86 is: 11,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.44 : 28,631.67 = 7,997.86 : x
  2. Step 2: Convert to fraction form
    19,091.44/28,631.67 = 7,997.86/x
  3. Step 3: Cross multiply
    19,091.44x = 28,631.67 × 7,997.86
  4. Step 4: Simplify right side
    19,091.44x = 228,992,088.23
  5. Step 5: Solve for x
    x = 228,992,088.23/19,091.44
  6. Step 6: Final answer
    x = 11,994.49

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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.