Home / 13,556.42-20,336.27-4,789.54

Finding the Fourth Proportional to 13,556.42, 20,336.27 and 4,789.54

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Solution

The fourth proportional to 13,556.42, 20,336.27 and 4,789.54 is: 7,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.42 : 20,336.27 = 4,789.54 : x
  2. Step 2: Convert to fraction form
    13,556.42/20,336.27 = 4,789.54/x
  3. Step 3: Cross multiply
    13,556.42x = 20,336.27 × 4,789.54
  4. Step 4: Simplify right side
    13,556.42x = 97,401,378.62
  5. Step 5: Solve for x
    x = 97,401,378.62/13,556.42
  6. Step 6: Final answer
    x = 7,184.89

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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.