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Finding the Fourth Proportional to 12,822.17, 19,220.95 and 4,051.09

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Solution

The fourth proportional to 12,822.17, 19,220.95 and 4,051.09 is: 6,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.17 : 19,220.95 = 4,051.09 : x
  2. Step 2: Convert to fraction form
    12,822.17/19,220.95 = 4,051.09/x
  3. Step 3: Cross multiply
    12,822.17x = 19,220.95 × 4,051.09
  4. Step 4: Simplify right side
    12,822.17x = 77,865,681.98
  5. Step 5: Solve for x
    x = 77,865,681.98/12,822.17
  6. Step 6: Final answer
    x = 6,072.74

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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.