Home / 20,467.36-30,701.04-13,540.24

Finding the Fourth Proportional to 20,467.36, 30,701.04 and 13,540.24

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Solution

The fourth proportional to 20,467.36, 30,701.04 and 13,540.24 is: 20,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.36 : 30,701.04 = 13,540.24 : x
  2. Step 2: Convert to fraction form
    20,467.36/30,701.04 = 13,540.24/x
  3. Step 3: Cross multiply
    20,467.36x = 30,701.04 × 13,540.24
  4. Step 4: Simplify right side
    20,467.36x = 415,699,449.85
  5. Step 5: Solve for x
    x = 415,699,449.85/20,467.36
  6. Step 6: Final answer
    x = 20,310.36

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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.