Home / 11,416.50-17,127.63-3,208.50

Finding the Fourth Proportional to 11,416.50, 17,127.63 and 3,208.50

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Solution

The fourth proportional to 11,416.50, 17,127.63 and 3,208.50 is: 4,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.50 : 17,127.63 = 3,208.50 : x
  2. Step 2: Convert to fraction form
    11,416.50/17,127.63 = 3,208.50/x
  3. Step 3: Cross multiply
    11,416.50x = 17,127.63 × 3,208.50
  4. Step 4: Simplify right side
    11,416.50x = 54,954,000.86
  5. Step 5: Solve for x
    x = 54,954,000.86/11,416.50
  6. Step 6: Final answer
    x = 4,813.56

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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.