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Finding the Fourth Proportional to 12,682.00, 19,027.05 and 6,108.85

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Solution

The fourth proportional to 12,682.00, 19,027.05 and 6,108.85 is: 9,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.00 : 19,027.05 = 6,108.85 : x
  2. Step 2: Convert to fraction form
    12,682.00/19,027.05 = 6,108.85/x
  3. Step 3: Cross multiply
    12,682.00x = 19,027.05 × 6,108.85
  4. Step 4: Simplify right side
    12,682.00x = 116,233,268.71
  5. Step 5: Solve for x
    x = 116,233,268.71/12,682.00
  6. Step 6: Final answer
    x = 9,165.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.