Home / 13,512.27-18,647.25-8,476.70

Finding the Fourth Proportional to 13,512.27, 18,647.25 and 8,476.70

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Solution

The fourth proportional to 13,512.27, 18,647.25 and 8,476.70 is: 11,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.27 : 18,647.25 = 8,476.70 : x
  2. Step 2: Convert to fraction form
    13,512.27/18,647.25 = 8,476.70/x
  3. Step 3: Cross multiply
    13,512.27x = 18,647.25 × 8,476.70
  4. Step 4: Simplify right side
    13,512.27x = 158,067,144.08
  5. Step 5: Solve for x
    x = 158,067,144.08/13,512.27
  6. Step 6: Final answer
    x = 11,698.05

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