Home / 12,224.08-18,336.12-4,327.39

Finding the Fourth Proportional to 12,224.08, 18,336.12 and 4,327.39

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Solution

The fourth proportional to 12,224.08, 18,336.12 and 4,327.39 is: 6,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.08 : 18,336.12 = 4,327.39 : x
  2. Step 2: Convert to fraction form
    12,224.08/18,336.12 = 4,327.39/x
  3. Step 3: Cross multiply
    12,224.08x = 18,336.12 × 4,327.39
  4. Step 4: Simplify right side
    12,224.08x = 79,347,542.33
  5. Step 5: Solve for x
    x = 79,347,542.33/12,224.08
  6. Step 6: Final answer
    x = 6,491.09

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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.