Home / 19,091.93-28,634.13-6,440.44

Finding the Fourth Proportional to 19,091.93, 28,634.13 and 6,440.44

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Solution

The fourth proportional to 19,091.93, 28,634.13 and 6,440.44 is: 9,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.93 : 28,634.13 = 6,440.44 : x
  2. Step 2: Convert to fraction form
    19,091.93/28,634.13 = 6,440.44/x
  3. Step 3: Cross multiply
    19,091.93x = 28,634.13 × 6,440.44
  4. Step 4: Simplify right side
    19,091.93x = 184,416,396.22
  5. Step 5: Solve for x
    x = 184,416,396.22/19,091.93
  6. Step 6: Final answer
    x = 9,659.39

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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.