Home / 12,663.11-18,996.83-3,897.83

Finding the Fourth Proportional to 12,663.11, 18,996.83 and 3,897.83

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Solution

The fourth proportional to 12,663.11, 18,996.83 and 3,897.83 is: 5,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.11 : 18,996.83 = 3,897.83 : x
  2. Step 2: Convert to fraction form
    12,663.11/18,996.83 = 3,897.83/x
  3. Step 3: Cross multiply
    12,663.11x = 18,996.83 × 3,897.83
  4. Step 4: Simplify right side
    12,663.11x = 74,046,299.41
  5. Step 5: Solve for x
    x = 74,046,299.41/12,663.11
  6. Step 6: Final answer
    x = 5,847.40

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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.