Home / 12,845.30-19,269.23-3,485.46

Finding the Fourth Proportional to 12,845.30, 19,269.23 and 3,485.46

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Solution

The fourth proportional to 12,845.30, 19,269.23 and 3,485.46 is: 5,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.30 : 19,269.23 = 3,485.46 : x
  2. Step 2: Convert to fraction form
    12,845.30/19,269.23 = 3,485.46/x
  3. Step 3: Cross multiply
    12,845.30x = 19,269.23 × 3,485.46
  4. Step 4: Simplify right side
    12,845.30x = 67,162,185.23
  5. Step 5: Solve for x
    x = 67,162,185.23/12,845.30
  6. Step 6: Final answer
    x = 5,228.54

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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.