Home / 13,556.01-20,330.55-4,193.55

Finding the Fourth Proportional to 13,556.01, 20,330.55 and 4,193.55

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Solution

The fourth proportional to 13,556.01, 20,330.55 and 4,193.55 is: 6,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.01 : 20,330.55 = 4,193.55 : x
  2. Step 2: Convert to fraction form
    13,556.01/20,330.55 = 4,193.55/x
  3. Step 3: Cross multiply
    13,556.01x = 20,330.55 × 4,193.55
  4. Step 4: Simplify right side
    13,556.01x = 85,257,177.95
  5. Step 5: Solve for x
    x = 85,257,177.95/13,556.01
  6. Step 6: Final answer
    x = 6,289.25

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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.