Home / 12,142.82-18,209.44-5,900.99

Finding the Fourth Proportional to 12,142.82, 18,209.44 and 5,900.99

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Solution

The fourth proportional to 12,142.82, 18,209.44 and 5,900.99 is: 8,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142.82 : 18,209.44 = 5,900.99 : x
  2. Step 2: Convert to fraction form
    12,142.82/18,209.44 = 5,900.99/x
  3. Step 3: Cross multiply
    12,142.82x = 18,209.44 × 5,900.99
  4. Step 4: Simplify right side
    12,142.82x = 107,453,632.30
  5. Step 5: Solve for x
    x = 107,453,632.30/12,142.82
  6. Step 6: Final answer
    x = 8,849.15

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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.