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Finding the Fourth Proportional to 12,566.00, 17,340.41 and 7,188.55

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Solution

The fourth proportional to 12,566.00, 17,340.41 and 7,188.55 is: 9,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.00 : 17,340.41 = 7,188.55 : x
  2. Step 2: Convert to fraction form
    12,566.00/17,340.41 = 7,188.55/x
  3. Step 3: Cross multiply
    12,566.00x = 17,340.41 × 7,188.55
  4. Step 4: Simplify right side
    12,566.00x = 124,652,305.98
  5. Step 5: Solve for x
    x = 124,652,305.98/12,566.00
  6. Step 6: Final answer
    x = 9,919.81

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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.