Home / 12,771.34-19,148.77-4,450.75

Finding the Fourth Proportional to 12,771.34, 19,148.77 and 4,450.75

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Solution

The fourth proportional to 12,771.34, 19,148.77 and 4,450.75 is: 6,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.34 : 19,148.77 = 4,450.75 : x
  2. Step 2: Convert to fraction form
    12,771.34/19,148.77 = 4,450.75/x
  3. Step 3: Cross multiply
    12,771.34x = 19,148.77 × 4,450.75
  4. Step 4: Simplify right side
    12,771.34x = 85,226,388.08
  5. Step 5: Solve for x
    x = 85,226,388.08/12,771.34
  6. Step 6: Final answer
    x = 6,673.25

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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.