Home / 20,763.94-28,655.16-11,692.42

Finding the Fourth Proportional to 20,763.94, 28,655.16 and 11,692.42

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Solution

The fourth proportional to 20,763.94, 28,655.16 and 11,692.42 is: 16,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763.94 : 28,655.16 = 11,692.42 : x
  2. Step 2: Convert to fraction form
    20,763.94/28,655.16 = 11,692.42/x
  3. Step 3: Cross multiply
    20,763.94x = 28,655.16 × 11,692.42
  4. Step 4: Simplify right side
    20,763.94x = 335,048,165.89
  5. Step 5: Solve for x
    x = 335,048,165.89/20,763.94
  6. Step 6: Final answer
    x = 16,136.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.