Home / 11,928.78-17,893.44-4,536.72

Finding the Fourth Proportional to 11,928.78, 17,893.44 and 4,536.72

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Solution

The fourth proportional to 11,928.78, 17,893.44 and 4,536.72 is: 6,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.78 : 17,893.44 = 4,536.72 : x
  2. Step 2: Convert to fraction form
    11,928.78/17,893.44 = 4,536.72/x
  3. Step 3: Cross multiply
    11,928.78x = 17,893.44 × 4,536.72
  4. Step 4: Simplify right side
    11,928.78x = 81,177,527.12
  5. Step 5: Solve for x
    x = 81,177,527.12/11,928.78
  6. Step 6: Final answer
    x = 6,805.18

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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.