Home / 12,027.94-18,036.73-4,131.21

Finding the Fourth Proportional to 12,027.94, 18,036.73 and 4,131.21

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Solution

The fourth proportional to 12,027.94, 18,036.73 and 4,131.21 is: 6,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.94 : 18,036.73 = 4,131.21 : x
  2. Step 2: Convert to fraction form
    12,027.94/18,036.73 = 4,131.21/x
  3. Step 3: Cross multiply
    12,027.94x = 18,036.73 × 4,131.21
  4. Step 4: Simplify right side
    12,027.94x = 74,513,519.34
  5. Step 5: Solve for x
    x = 74,513,519.34/12,027.94
  6. Step 6: Final answer
    x = 6,195.04

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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.