Home / 12,006.21-18,009.63-3,241.10

Finding the Fourth Proportional to 12,006.21, 18,009.63 and 3,241.10

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Solution

The fourth proportional to 12,006.21, 18,009.63 and 3,241.10 is: 4,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.21 : 18,009.63 = 3,241.10 : x
  2. Step 2: Convert to fraction form
    12,006.21/18,009.63 = 3,241.10/x
  3. Step 3: Cross multiply
    12,006.21x = 18,009.63 × 3,241.10
  4. Step 4: Simplify right side
    12,006.21x = 58,370,921.74
  5. Step 5: Solve for x
    x = 58,370,921.74/12,006.21
  6. Step 6: Final answer
    x = 4,861.73

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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.