Home / 20,324.04-30,485.34-7,176.12

Finding the Fourth Proportional to 20,324.04, 30,485.34 and 7,176.12

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Solution

The fourth proportional to 20,324.04, 30,485.34 and 7,176.12 is: 10,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.04 : 30,485.34 = 7,176.12 : x
  2. Step 2: Convert to fraction form
    20,324.04/30,485.34 = 7,176.12/x
  3. Step 3: Cross multiply
    20,324.04x = 30,485.34 × 7,176.12
  4. Step 4: Simplify right side
    20,324.04x = 218,766,458.08
  5. Step 5: Solve for x
    x = 218,766,458.08/20,324.04
  6. Step 6: Final answer
    x = 10,763.93

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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.