Home / 20,310.36-30,465.54-13,383.24

Finding the Fourth Proportional to 20,310.36, 30,465.54 and 13,383.24

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Solution

The fourth proportional to 20,310.36, 30,465.54 and 13,383.24 is: 20,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.36 : 30,465.54 = 13,383.24 : x
  2. Step 2: Convert to fraction form
    20,310.36/30,465.54 = 13,383.24/x
  3. Step 3: Cross multiply
    20,310.36x = 30,465.54 × 13,383.24
  4. Step 4: Simplify right side
    20,310.36x = 407,727,633.55
  5. Step 5: Solve for x
    x = 407,727,633.55/20,310.36
  6. Step 6: Final answer
    x = 20,074.86

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Similar ratio
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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.