Home / 10,999.40-16,498.82-3,208.28

Finding the Fourth Proportional to 10,999.40, 16,498.82 and 3,208.28

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Solution

The fourth proportional to 10,999.40, 16,498.82 and 3,208.28 is: 4,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.40 : 16,498.82 = 3,208.28 : x
  2. Step 2: Convert to fraction form
    10,999.40/16,498.82 = 3,208.28/x
  3. Step 3: Cross multiply
    10,999.40x = 16,498.82 × 3,208.28
  4. Step 4: Simplify right side
    10,999.40x = 52,932,759.76
  5. Step 5: Solve for x
    x = 52,932,759.76/10,999.40
  6. Step 6: Final answer
    x = 4,812.33

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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.