Home / 14,223.35-21,334.85-3,692.43

Finding the Fourth Proportional to 14,223.35, 21,334.85 and 3,692.43

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Solution

The fourth proportional to 14,223.35, 21,334.85 and 3,692.43 is: 5,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.35 : 21,334.85 = 3,692.43 : x
  2. Step 2: Convert to fraction form
    14,223.35/21,334.85 = 3,692.43/x
  3. Step 3: Cross multiply
    14,223.35x = 21,334.85 × 3,692.43
  4. Step 4: Simplify right side
    14,223.35x = 78,777,355.56
  5. Step 5: Solve for x
    x = 78,777,355.56/14,223.35
  6. Step 6: Final answer
    x = 5,538.60

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1.5x scale

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.