Home / 11,205.55-16,800.08-3,808.02

Finding the Fourth Proportional to 11,205.55, 16,800.08 and 3,808.02

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Solution

The fourth proportional to 11,205.55, 16,800.08 and 3,808.02 is: 5,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.55 : 16,800.08 = 3,808.02 : x
  2. Step 2: Convert to fraction form
    11,205.55/16,800.08 = 3,808.02/x
  3. Step 3: Cross multiply
    11,205.55x = 16,800.08 × 3,808.02
  4. Step 4: Simplify right side
    11,205.55x = 63,975,040.64
  5. Step 5: Solve for x
    x = 63,975,040.64/11,205.55
  6. Step 6: Final answer
    x = 5,709.23

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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.