Home / 11,219.48-16,829.49-5,369.66

Finding the Fourth Proportional to 11,219.48, 16,829.49 and 5,369.66

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Solution

The fourth proportional to 11,219.48, 16,829.49 and 5,369.66 is: 8,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.48 : 16,829.49 = 5,369.66 : x
  2. Step 2: Convert to fraction form
    11,219.48/16,829.49 = 5,369.66/x
  3. Step 3: Cross multiply
    11,219.48x = 16,829.49 × 5,369.66
  4. Step 4: Simplify right side
    11,219.48x = 90,368,639.27
  5. Step 5: Solve for x
    x = 90,368,639.27/11,219.48
  6. Step 6: Final answer
    x = 8,054.62

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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.