Home / 18,692.58-28,030.67-6,997.60

Finding the Fourth Proportional to 18,692.58, 28,030.67 and 6,997.60

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Solution

The fourth proportional to 18,692.58, 28,030.67 and 6,997.60 is: 10,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.58 : 28,030.67 = 6,997.60 : x
  2. Step 2: Convert to fraction form
    18,692.58/28,030.67 = 6,997.60/x
  3. Step 3: Cross multiply
    18,692.58x = 28,030.67 × 6,997.60
  4. Step 4: Simplify right side
    18,692.58x = 196,147,398.90
  5. Step 5: Solve for x
    x = 196,147,398.90/18,692.58
  6. Step 6: Final answer
    x = 10,493.33

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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.