Home / 11,287.99-16,933.35-5,440.50

Finding the Fourth Proportional to 11,287.99, 16,933.35 and 5,440.50

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Solution

The fourth proportional to 11,287.99, 16,933.35 and 5,440.50 is: 8,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.99 : 16,933.35 = 5,440.50 : x
  2. Step 2: Convert to fraction form
    11,287.99/16,933.35 = 5,440.50/x
  3. Step 3: Cross multiply
    11,287.99x = 16,933.35 × 5,440.50
  4. Step 4: Simplify right side
    11,287.99x = 92,125,911.08
  5. Step 5: Solve for x
    x = 92,125,911.08/11,287.99
  6. Step 6: Final answer
    x = 8,161.41

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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.