Home / 11,218.68-16,828.70-4,197.04

Finding the Fourth Proportional to 11,218.68, 16,828.70 and 4,197.04

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Solution

The fourth proportional to 11,218.68, 16,828.70 and 4,197.04 is: 6,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.68 : 16,828.70 = 4,197.04 : x
  2. Step 2: Convert to fraction form
    11,218.68/16,828.70 = 4,197.04/x
  3. Step 3: Cross multiply
    11,218.68x = 16,828.70 × 4,197.04
  4. Step 4: Simplify right side
    11,218.68x = 70,630,663.99
  5. Step 5: Solve for x
    x = 70,630,663.99/11,218.68
  6. Step 6: Final answer
    x = 6,295.81

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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.