Home / 11,322.41-16,986.69-3,425.18

Finding the Fourth Proportional to 11,322.41, 16,986.69 and 3,425.18

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Solution

The fourth proportional to 11,322.41, 16,986.69 and 3,425.18 is: 5,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.41 : 16,986.69 = 3,425.18 : x
  2. Step 2: Convert to fraction form
    11,322.41/16,986.69 = 3,425.18/x
  3. Step 3: Cross multiply
    11,322.41x = 16,986.69 × 3,425.18
  4. Step 4: Simplify right side
    11,322.41x = 58,182,385.92
  5. Step 5: Solve for x
    x = 58,182,385.92/11,322.41
  6. Step 6: Final answer
    x = 5,138.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.