Home / 12,743.39-19,113.23-3,383.98

Finding the Fourth Proportional to 12,743.39, 19,113.23 and 3,383.98

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Solution

The fourth proportional to 12,743.39, 19,113.23 and 3,383.98 is: 5,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.39 : 19,113.23 = 3,383.98 : x
  2. Step 2: Convert to fraction form
    12,743.39/19,113.23 = 3,383.98/x
  3. Step 3: Cross multiply
    12,743.39x = 19,113.23 × 3,383.98
  4. Step 4: Simplify right side
    12,743.39x = 64,678,748.73
  5. Step 5: Solve for x
    x = 64,678,748.73/12,743.39
  6. Step 6: Final answer
    x = 5,075.47

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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.