Home / 11,219.36-16,829.31-5,369.54

Finding the Fourth Proportional to 11,219.36, 16,829.31 and 5,369.54

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Solution

The fourth proportional to 11,219.36, 16,829.31 and 5,369.54 is: 8,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.36 : 16,829.31 = 5,369.54 : x
  2. Step 2: Convert to fraction form
    11,219.36/16,829.31 = 5,369.54/x
  3. Step 3: Cross multiply
    11,219.36x = 16,829.31 × 5,369.54
  4. Step 4: Simplify right side
    11,219.36x = 90,365,569.07
  5. Step 5: Solve for x
    x = 90,365,569.07/11,219.36
  6. Step 6: Final answer
    x = 8,054.44

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1.5x scale

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.