Home / 20,243.04-30,362.88-8,556.48

Finding the Fourth Proportional to 20,243.04, 30,362.88 and 8,556.48

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Solution

The fourth proportional to 20,243.04, 30,362.88 and 8,556.48 is: 12,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.04 : 30,362.88 = 8,556.48 : x
  2. Step 2: Convert to fraction form
    20,243.04/30,362.88 = 8,556.48/x
  3. Step 3: Cross multiply
    20,243.04x = 30,362.88 × 8,556.48
  4. Step 4: Simplify right side
    20,243.04x = 259,799,375.46
  5. Step 5: Solve for x
    x = 259,799,375.46/20,243.04
  6. Step 6: Final answer
    x = 12,834.01

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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.