Home / 13,556.36-20,336.44-4,197.18

Finding the Fourth Proportional to 13,556.36, 20,336.44 and 4,197.18

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Solution

The fourth proportional to 13,556.36, 20,336.44 and 4,197.18 is: 6,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.36 : 20,336.44 = 4,197.18 : x
  2. Step 2: Convert to fraction form
    13,556.36/20,336.44 = 4,197.18/x
  3. Step 3: Cross multiply
    13,556.36x = 20,336.44 × 4,197.18
  4. Step 4: Simplify right side
    13,556.36x = 85,355,699.24
  5. Step 5: Solve for x
    x = 85,355,699.24/13,556.36
  6. Step 6: Final answer
    x = 6,296.36

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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.