Home / 13,692.24-20,536.00-3,829.21

Finding the Fourth Proportional to 13,692.24, 20,536.00 and 3,829.21

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Solution

The fourth proportional to 13,692.24, 20,536.00 and 3,829.21 is: 5,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.24 : 20,536.00 = 3,829.21 : x
  2. Step 2: Convert to fraction form
    13,692.24/20,536.00 = 3,829.21/x
  3. Step 3: Cross multiply
    13,692.24x = 20,536.00 × 3,829.21
  4. Step 4: Simplify right side
    13,692.24x = 78,636,595.65
  5. Step 5: Solve for x
    x = 78,636,595.65/13,692.24
  6. Step 6: Final answer
    x = 5,743.15

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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.