Home / 12,199.17-18,299.97-4,408.59

Finding the Fourth Proportional to 12,199.17, 18,299.97 and 4,408.59

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Solution

The fourth proportional to 12,199.17, 18,299.97 and 4,408.59 is: 6,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.17 : 18,299.97 = 4,408.59 : x
  2. Step 2: Convert to fraction form
    12,199.17/18,299.97 = 4,408.59/x
  3. Step 3: Cross multiply
    12,199.17x = 18,299.97 × 4,408.59
  4. Step 4: Simplify right side
    12,199.17x = 80,677,064.74
  5. Step 5: Solve for x
    x = 80,677,064.74/12,199.17
  6. Step 6: Final answer
    x = 6,613.32

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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.