Home / 13,369.50-18,408.70-11,874.82

Finding the Fourth Proportional to 13,369.50, 18,408.70 and 11,874.82

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Solution

The fourth proportional to 13,369.50, 18,408.70 and 11,874.82 is: 16,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.50 : 18,408.70 = 11,874.82 : x
  2. Step 2: Convert to fraction form
    13,369.50/18,408.70 = 11,874.82/x
  3. Step 3: Cross multiply
    13,369.50x = 18,408.70 × 11,874.82
  4. Step 4: Simplify right side
    13,369.50x = 218,599,998.93
  5. Step 5: Solve for x
    x = 218,599,998.93/13,369.50
  6. Step 6: Final answer
    x = 16,350.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.