Home / 10,836.72-16,255.08-3,911.22

Finding the Fourth Proportional to 10,836.72, 16,255.08 and 3,911.22

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Solution

The fourth proportional to 10,836.72, 16,255.08 and 3,911.22 is: 5,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.72 : 16,255.08 = 3,911.22 : x
  2. Step 2: Convert to fraction form
    10,836.72/16,255.08 = 3,911.22/x
  3. Step 3: Cross multiply
    10,836.72x = 16,255.08 × 3,911.22
  4. Step 4: Simplify right side
    10,836.72x = 63,577,194.00
  5. Step 5: Solve for x
    x = 63,577,194.00/10,836.72
  6. Step 6: Final answer
    x = 5,866.83

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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.