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Finding the Fourth Proportional to 12,319.53, 16,998.44 and 7,012.95

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Solution

The fourth proportional to 12,319.53, 16,998.44 and 7,012.95 is: 9,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.53 : 16,998.44 = 7,012.95 : x
  2. Step 2: Convert to fraction form
    12,319.53/16,998.44 = 7,012.95/x
  3. Step 3: Cross multiply
    12,319.53x = 16,998.44 × 7,012.95
  4. Step 4: Simplify right side
    12,319.53x = 119,209,174.73
  5. Step 5: Solve for x
    x = 119,209,174.73/12,319.53
  6. Step 6: Final answer
    x = 9,676.44

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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.