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Finding the Fourth Proportional to 12,277.77, 16,941.72 and 6,900.58

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Solution

The fourth proportional to 12,277.77, 16,941.72 and 6,900.58 is: 9,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.77 : 16,941.72 = 6,900.58 : x
  2. Step 2: Convert to fraction form
    12,277.77/16,941.72 = 6,900.58/x
  3. Step 3: Cross multiply
    12,277.77x = 16,941.72 × 6,900.58
  4. Step 4: Simplify right side
    12,277.77x = 116,907,694.20
  5. Step 5: Solve for x
    x = 116,907,694.20/12,277.77
  6. Step 6: Final answer
    x = 9,521.90

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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.