Home / 13,801.12-20,708.10-5,906.05

Finding the Fourth Proportional to 13,801.12, 20,708.10 and 5,906.05

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Solution

The fourth proportional to 13,801.12, 20,708.10 and 5,906.05 is: 8,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.12 : 20,708.10 = 5,906.05 : x
  2. Step 2: Convert to fraction form
    13,801.12/20,708.10 = 5,906.05/x
  3. Step 3: Cross multiply
    13,801.12x = 20,708.10 × 5,906.05
  4. Step 4: Simplify right side
    13,801.12x = 122,303,074.01
  5. Step 5: Solve for x
    x = 122,303,074.01/13,801.12
  6. Step 6: Final answer
    x = 8,861.82

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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.