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Finding the Fourth Proportional to 12,069.87, 16,655.50 and 6,763.66

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Solution

The fourth proportional to 12,069.87, 16,655.50 and 6,763.66 is: 9,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.87 : 16,655.50 = 6,763.66 : x
  2. Step 2: Convert to fraction form
    12,069.87/16,655.50 = 6,763.66/x
  3. Step 3: Cross multiply
    12,069.87x = 16,655.50 × 6,763.66
  4. Step 4: Simplify right side
    12,069.87x = 112,652,139.13
  5. Step 5: Solve for x
    x = 112,652,139.13/12,069.87
  6. Step 6: Final answer
    x = 9,333.33

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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.