Home / 11,203.43-16,805.23-4,185.03

Finding the Fourth Proportional to 11,203.43, 16,805.23 and 4,185.03

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Solution

The fourth proportional to 11,203.43, 16,805.23 and 4,185.03 is: 6,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.43 : 16,805.23 = 4,185.03 : x
  2. Step 2: Convert to fraction form
    11,203.43/16,805.23 = 4,185.03/x
  3. Step 3: Cross multiply
    11,203.43x = 16,805.23 × 4,185.03
  4. Step 4: Simplify right side
    11,203.43x = 70,330,370.78
  5. Step 5: Solve for x
    x = 70,330,370.78/11,203.43
  6. Step 6: Final answer
    x = 6,277.57

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1.5x scale

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.