Home / 20,204.58-30,273.45-10,330.27

Finding the Fourth Proportional to 20,204.58, 30,273.45 and 10,330.27

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Solution

The fourth proportional to 20,204.58, 30,273.45 and 10,330.27 is: 15,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.58 : 30,273.45 = 10,330.27 : x
  2. Step 2: Convert to fraction form
    20,204.58/30,273.45 = 10,330.27/x
  3. Step 3: Cross multiply
    20,204.58x = 30,273.45 × 10,330.27
  4. Step 4: Simplify right side
    20,204.58x = 312,732,912.33
  5. Step 5: Solve for x
    x = 312,732,912.33/20,204.58
  6. Step 6: Final answer
    x = 15,478.32

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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.