Home / 12,027.21-18,040.24-8,080.13

Finding the Fourth Proportional to 12,027.21, 18,040.24 and 8,080.13

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Solution

The fourth proportional to 12,027.21, 18,040.24 and 8,080.13 is: 12,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.21 : 18,040.24 = 8,080.13 : x
  2. Step 2: Convert to fraction form
    12,027.21/18,040.24 = 8,080.13/x
  3. Step 3: Cross multiply
    12,027.21x = 18,040.24 × 8,080.13
  4. Step 4: Simplify right side
    12,027.21x = 145,767,509.33
  5. Step 5: Solve for x
    x = 145,767,509.33/12,027.21
  6. Step 6: Final answer
    x = 12,119.81

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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.