Home / 13,556.64-20,336.92-4,197.44

Finding the Fourth Proportional to 13,556.64, 20,336.92 and 4,197.44

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Solution

The fourth proportional to 13,556.64, 20,336.92 and 4,197.44 is: 6,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.64 : 20,336.92 = 4,197.44 : x
  2. Step 2: Convert to fraction form
    13,556.64/20,336.92 = 4,197.44/x
  3. Step 3: Cross multiply
    13,556.64x = 20,336.92 × 4,197.44
  4. Step 4: Simplify right side
    13,556.64x = 85,363,001.48
  5. Step 5: Solve for x
    x = 85,363,001.48/13,556.64
  6. Step 6: Final answer
    x = 6,296.77

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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.