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Finding the Fourth Proportional to 12,134.01, 18,203.75 and 6,289.26

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Solution

The fourth proportional to 12,134.01, 18,203.75 and 6,289.26 is: 9,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.01 : 18,203.75 = 6,289.26 : x
  2. Step 2: Convert to fraction form
    12,134.01/18,203.75 = 6,289.26/x
  3. Step 3: Cross multiply
    12,134.01x = 18,203.75 × 6,289.26
  4. Step 4: Simplify right side
    12,134.01x = 114,488,116.73
  5. Step 5: Solve for x
    x = 114,488,116.73/12,134.01
  6. Step 6: Final answer
    x = 9,435.31

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1.5x scale

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.