Home / 20,196.48-30,308.56-7,048.85

Finding the Fourth Proportional to 20,196.48, 30,308.56 and 7,048.85

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Solution

The fourth proportional to 20,196.48, 30,308.56 and 7,048.85 is: 10,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.48 : 30,308.56 = 7,048.85 : x
  2. Step 2: Convert to fraction form
    20,196.48/30,308.56 = 7,048.85/x
  3. Step 3: Cross multiply
    20,196.48x = 30,308.56 × 7,048.85
  4. Step 4: Simplify right side
    20,196.48x = 213,640,573.33
  5. Step 5: Solve for x
    x = 213,640,573.33/20,196.48
  6. Step 6: Final answer
    x = 10,578.11

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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.