Home / 20,202.14-30,308-10,182.26

Finding the Fourth Proportional to 20,202.14, 30,308 and 10,182.26

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Solution

The fourth proportional to 20,202.14, 30,308 and 10,182.26 is: 15,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.14 : 30,308 = 10,182.26 : x
  2. Step 2: Convert to fraction form
    20,202.14/30,308 = 10,182.26/x
  3. Step 3: Cross multiply
    20,202.14x = 30,308 × 10,182.26
  4. Step 4: Simplify right side
    20,202.14x = 308,603,936.08
  5. Step 5: Solve for x
    x = 308,603,936.08/20,202.14
  6. Step 6: Final answer
    x = 15,275.80

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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.