Home / 13,803.25-19,050.96-8,137.66

Finding the Fourth Proportional to 13,803.25, 19,050.96 and 8,137.66

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Solution

The fourth proportional to 13,803.25, 19,050.96 and 8,137.66 is: 11,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.25 : 19,050.96 = 8,137.66 : x
  2. Step 2: Convert to fraction form
    13,803.25/19,050.96 = 8,137.66/x
  3. Step 3: Cross multiply
    13,803.25x = 19,050.96 × 8,137.66
  4. Step 4: Simplify right side
    13,803.25x = 155,030,235.15
  5. Step 5: Solve for x
    x = 155,030,235.15/13,803.25
  6. Step 6: Final answer
    x = 11,231.43

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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.