Home / 11,220.21-16,824.69-3,822.08

Finding the Fourth Proportional to 11,220.21, 16,824.69 and 3,822.08

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Solution

The fourth proportional to 11,220.21, 16,824.69 and 3,822.08 is: 5,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.21 : 16,824.69 = 3,822.08 : x
  2. Step 2: Convert to fraction form
    11,220.21/16,824.69 = 3,822.08/x
  3. Step 3: Cross multiply
    11,220.21x = 16,824.69 × 3,822.08
  4. Step 4: Simplify right side
    11,220.21x = 64,305,227.03
  5. Step 5: Solve for x
    x = 64,305,227.03/11,220.21
  6. Step 6: Final answer
    x = 5,731.20

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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.