Home / 12,004.38-18,014.67-4,213.26

Finding the Fourth Proportional to 12,004.38, 18,014.67 and 4,213.26

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Solution

The fourth proportional to 12,004.38, 18,014.67 and 4,213.26 is: 6,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.38 : 18,014.67 = 4,213.26 : x
  2. Step 2: Convert to fraction form
    12,004.38/18,014.67 = 4,213.26/x
  3. Step 3: Cross multiply
    12,004.38x = 18,014.67 × 4,213.26
  4. Step 4: Simplify right side
    12,004.38x = 75,900,488.52
  5. Step 5: Solve for x
    x = 75,900,488.52/12,004.38
  6. Step 6: Final answer
    x = 6,322.73

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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.