Home / 13,821.73-20,735.85-5,502.22

Finding the Fourth Proportional to 13,821.73, 20,735.85 and 5,502.22

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Solution

The fourth proportional to 13,821.73, 20,735.85 and 5,502.22 is: 8,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.73 : 20,735.85 = 5,502.22 : x
  2. Step 2: Convert to fraction form
    13,821.73/20,735.85 = 5,502.22/x
  3. Step 3: Cross multiply
    13,821.73x = 20,735.85 × 5,502.22
  4. Step 4: Simplify right side
    13,821.73x = 114,093,208.59
  5. Step 5: Solve for x
    x = 114,093,208.59/13,821.73
  6. Step 6: Final answer
    x = 8,254.63

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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.