Home / 11,896.42-17,811.78-8,965.84

Finding the Fourth Proportional to 11,896.42, 17,811.78 and 8,965.84

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Solution

The fourth proportional to 11,896.42, 17,811.78 and 8,965.84 is: 13,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.42 : 17,811.78 = 8,965.84 : x
  2. Step 2: Convert to fraction form
    11,896.42/17,811.78 = 8,965.84/x
  3. Step 3: Cross multiply
    11,896.42x = 17,811.78 × 8,965.84
  4. Step 4: Simplify right side
    11,896.42x = 159,697,569.60
  5. Step 5: Solve for x
    x = 159,697,569.60/11,896.42
  6. Step 6: Final answer
    x = 13,424.00

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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.