Home / 20,542.44-30,809.16-10,007.94

Finding the Fourth Proportional to 20,542.44, 30,809.16 and 10,007.94

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Solution

The fourth proportional to 20,542.44, 30,809.16 and 10,007.94 is: 15,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.44 : 30,809.16 = 10,007.94 : x
  2. Step 2: Convert to fraction form
    20,542.44/30,809.16 = 10,007.94/x
  3. Step 3: Cross multiply
    20,542.44x = 30,809.16 × 10,007.94
  4. Step 4: Simplify right side
    20,542.44x = 308,336,224.73
  5. Step 5: Solve for x
    x = 308,336,224.73/20,542.44
  6. Step 6: Final answer
    x = 15,009.72

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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.