Home / 13,806.54-20,711.70-4,443.48

Finding the Fourth Proportional to 13,806.54, 20,711.70 and 4,443.48

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Solution

The fourth proportional to 13,806.54, 20,711.70 and 4,443.48 is: 6,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.54 : 20,711.70 = 4,443.48 : x
  2. Step 2: Convert to fraction form
    13,806.54/20,711.70 = 4,443.48/x
  3. Step 3: Cross multiply
    13,806.54x = 20,711.70 × 4,443.48
  4. Step 4: Simplify right side
    13,806.54x = 92,032,024.72
  5. Step 5: Solve for x
    x = 92,032,024.72/13,806.54
  6. Step 6: Final answer
    x = 6,665.83

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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.