Home / 13,789.35-20,692.53-6,392.43

Finding the Fourth Proportional to 13,789.35, 20,692.53 and 6,392.43

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Solution

The fourth proportional to 13,789.35, 20,692.53 and 6,392.43 is: 9,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.35 : 20,692.53 = 6,392.43 : x
  2. Step 2: Convert to fraction form
    13,789.35/20,692.53 = 6,392.43/x
  3. Step 3: Cross multiply
    13,789.35x = 20,692.53 × 6,392.43
  4. Step 4: Simplify right side
    13,789.35x = 132,275,549.55
  5. Step 5: Solve for x
    x = 132,275,549.55/13,789.35
  6. Step 6: Final answer
    x = 9,592.59

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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.