Home / 13,866.21-20,799.33-3,477.96

Finding the Fourth Proportional to 13,866.21, 20,799.33 and 3,477.96

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Solution

The fourth proportional to 13,866.21, 20,799.33 and 3,477.96 is: 5,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.21 : 20,799.33 = 3,477.96 : x
  2. Step 2: Convert to fraction form
    13,866.21/20,799.33 = 3,477.96/x
  3. Step 3: Cross multiply
    13,866.21x = 20,799.33 × 3,477.96
  4. Step 4: Simplify right side
    13,866.21x = 72,339,237.77
  5. Step 5: Solve for x
    x = 72,339,237.77/13,866.21
  6. Step 6: Final answer
    x = 5,216.94

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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.