Home / 11,821.54-16,313.12-6,516.24

Finding the Fourth Proportional to 11,821.54, 16,313.12 and 6,516.24

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Solution

The fourth proportional to 11,821.54, 16,313.12 and 6,516.24 is: 8,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.54 : 16,313.12 = 6,516.24 : x
  2. Step 2: Convert to fraction form
    11,821.54/16,313.12 = 6,516.24/x
  3. Step 3: Cross multiply
    11,821.54x = 16,313.12 × 6,516.24
  4. Step 4: Simplify right side
    11,821.54x = 106,300,205.07
  5. Step 5: Solve for x
    x = 106,300,205.07/11,821.54
  6. Step 6: Final answer
    x = 8,992.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.