Home / 11,019.21-16,529.12-3,228.02

Finding the Fourth Proportional to 11,019.21, 16,529.12 and 3,228.02

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Solution

The fourth proportional to 11,019.21, 16,529.12 and 3,228.02 is: 4,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.21 : 16,529.12 = 3,228.02 : x
  2. Step 2: Convert to fraction form
    11,019.21/16,529.12 = 3,228.02/x
  3. Step 3: Cross multiply
    11,019.21x = 16,529.12 × 3,228.02
  4. Step 4: Simplify right side
    11,019.21x = 53,356,329.94
  5. Step 5: Solve for x
    x = 53,356,329.94/11,019.21
  6. Step 6: Final answer
    x = 4,842.12

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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.