Home / 20,097.70-30,140.23-7,273.21

Finding the Fourth Proportional to 20,097.70, 30,140.23 and 7,273.21

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Solution

The fourth proportional to 20,097.70, 30,140.23 and 7,273.21 is: 10,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.70 : 30,140.23 = 7,273.21 : x
  2. Step 2: Convert to fraction form
    20,097.70/30,140.23 = 7,273.21/x
  3. Step 3: Cross multiply
    20,097.70x = 30,140.23 × 7,273.21
  4. Step 4: Simplify right side
    20,097.70x = 219,216,255.37
  5. Step 5: Solve for x
    x = 219,216,255.37/20,097.70
  6. Step 6: Final answer
    x = 10,907.53

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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.