Home / 12,602.82-18,905.28-3,837.81

Finding the Fourth Proportional to 12,602.82, 18,905.28 and 3,837.81

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Solution

The fourth proportional to 12,602.82, 18,905.28 and 3,837.81 is: 5,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.82 : 18,905.28 = 3,837.81 : x
  2. Step 2: Convert to fraction form
    12,602.82/18,905.28 = 3,837.81/x
  3. Step 3: Cross multiply
    12,602.82x = 18,905.28 × 3,837.81
  4. Step 4: Simplify right side
    12,602.82x = 72,554,872.64
  5. Step 5: Solve for x
    x = 72,554,872.64/12,602.82
  6. Step 6: Final answer
    x = 5,757.03

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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.