Home / 12,757.68-19,140.57-6,519.33

Finding the Fourth Proportional to 12,757.68, 19,140.57 and 6,519.33

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Solution

The fourth proportional to 12,757.68, 19,140.57 and 6,519.33 is: 9,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.68 : 19,140.57 = 6,519.33 : x
  2. Step 2: Convert to fraction form
    12,757.68/19,140.57 = 6,519.33/x
  3. Step 3: Cross multiply
    12,757.68x = 19,140.57 × 6,519.33
  4. Step 4: Simplify right side
    12,757.68x = 124,783,692.22
  5. Step 5: Solve for x
    x = 124,783,692.22/12,757.68
  6. Step 6: Final answer
    x = 9,781.06

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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.