Home / 13,556.80-20,295.60-9,668.80

Finding the Fourth Proportional to 13,556.80, 20,295.60 and 9,668.80

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Solution

The fourth proportional to 13,556.80, 20,295.60 and 9,668.80 is: 14,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.80 : 20,295.60 = 9,668.80 : x
  2. Step 2: Convert to fraction form
    13,556.80/20,295.60 = 9,668.80/x
  3. Step 3: Cross multiply
    13,556.80x = 20,295.60 × 9,668.80
  4. Step 4: Simplify right side
    13,556.80x = 196,234,097.28
  5. Step 5: Solve for x
    x = 196,234,097.28/13,556.80
  6. Step 6: Final answer
    x = 14,474.96

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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.