Home / 11,161.50-16,744.68-4,236

Finding the Fourth Proportional to 11,161.50, 16,744.68 and 4,236

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Solution

The fourth proportional to 11,161.50, 16,744.68 and 4,236 is: 6,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.50 : 16,744.68 = 4,236 : x
  2. Step 2: Convert to fraction form
    11,161.50/16,744.68 = 4,236/x
  3. Step 3: Cross multiply
    11,161.50x = 16,744.68 × 4,236
  4. Step 4: Simplify right side
    11,161.50x = 70,930,464.48
  5. Step 5: Solve for x
    x = 70,930,464.48/11,161.50
  6. Step 6: Final answer
    x = 6,354.92

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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.