Home / 13,556.63-20,336.81-4,197.42

Finding the Fourth Proportional to 13,556.63, 20,336.81 and 4,197.42

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Solution

The fourth proportional to 13,556.63, 20,336.81 and 4,197.42 is: 6,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.63 : 20,336.81 = 4,197.42 : x
  2. Step 2: Convert to fraction form
    13,556.63/20,336.81 = 4,197.42/x
  3. Step 3: Cross multiply
    13,556.63x = 20,336.81 × 4,197.42
  4. Step 4: Simplify right side
    13,556.63x = 85,362,112.04
  5. Step 5: Solve for x
    x = 85,362,112.04/13,556.63
  6. Step 6: Final answer
    x = 6,296.70

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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.