Home / 11,322.36-16,986.84-3,531.84

Finding the Fourth Proportional to 11,322.36, 16,986.84 and 3,531.84

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Solution

The fourth proportional to 11,322.36, 16,986.84 and 3,531.84 is: 5,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.36 : 16,986.84 = 3,531.84 : x
  2. Step 2: Convert to fraction form
    11,322.36/16,986.84 = 3,531.84/x
  3. Step 3: Cross multiply
    11,322.36x = 16,986.84 × 3,531.84
  4. Step 4: Simplify right side
    11,322.36x = 59,994,800.99
  5. Step 5: Solve for x
    x = 59,994,800.99/11,322.36
  6. Step 6: Final answer
    x = 5,298.79

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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.