Home / 13,556.04-20,329.38-4,194.78

Finding the Fourth Proportional to 13,556.04, 20,329.38 and 4,194.78

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Solution

The fourth proportional to 13,556.04, 20,329.38 and 4,194.78 is: 6,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.04 : 20,329.38 = 4,194.78 : x
  2. Step 2: Convert to fraction form
    13,556.04/20,329.38 = 4,194.78/x
  3. Step 3: Cross multiply
    13,556.04x = 20,329.38 × 4,194.78
  4. Step 4: Simplify right side
    13,556.04x = 85,277,276.64
  5. Step 5: Solve for x
    x = 85,277,276.64/13,556.04
  6. Step 6: Final answer
    x = 6,290.72

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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.