Home / 20,087.04-30,126-7,608.36

Finding the Fourth Proportional to 20,087.04, 30,126 and 7,608.36

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Solution

The fourth proportional to 20,087.04, 30,126 and 7,608.36 is: 11,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.04 : 30,126 = 7,608.36 : x
  2. Step 2: Convert to fraction form
    20,087.04/30,126 = 7,608.36/x
  3. Step 3: Cross multiply
    20,087.04x = 30,126 × 7,608.36
  4. Step 4: Simplify right side
    20,087.04x = 229,209,453.36
  5. Step 5: Solve for x
    x = 229,209,453.36/20,087.04
  6. Step 6: Final answer
    x = 11,410.81

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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.