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Finding the Fourth Proportional to 12,325.68, 18,481.68 and 6,071.94

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Solution

The fourth proportional to 12,325.68, 18,481.68 and 6,071.94 is: 9,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.68 : 18,481.68 = 6,071.94 : x
  2. Step 2: Convert to fraction form
    12,325.68/18,481.68 = 6,071.94/x
  3. Step 3: Cross multiply
    12,325.68x = 18,481.68 × 6,071.94
  4. Step 4: Simplify right side
    12,325.68x = 112,219,652.06
  5. Step 5: Solve for x
    x = 112,219,652.06/12,325.68
  6. Step 6: Final answer
    x = 9,104.54

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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.