Home / 13,822.23-20,736.60-5,502.72

Finding the Fourth Proportional to 13,822.23, 20,736.60 and 5,502.72

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Solution

The fourth proportional to 13,822.23, 20,736.60 and 5,502.72 is: 8,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.23 : 20,736.60 = 5,502.72 : x
  2. Step 2: Convert to fraction form
    13,822.23/20,736.60 = 5,502.72/x
  3. Step 3: Cross multiply
    13,822.23x = 20,736.60 × 5,502.72
  4. Step 4: Simplify right side
    13,822.23x = 114,107,703.55
  5. Step 5: Solve for x
    x = 114,107,703.55/13,822.23
  6. Step 6: Final answer
    x = 8,255.38

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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.