Home / 20,102.07-30,145-6,057.75

Finding the Fourth Proportional to 20,102.07, 30,145 and 6,057.75

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Solution

The fourth proportional to 20,102.07, 30,145 and 6,057.75 is: 9,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.07 : 30,145 = 6,057.75 : x
  2. Step 2: Convert to fraction form
    20,102.07/30,145 = 6,057.75/x
  3. Step 3: Cross multiply
    20,102.07x = 30,145 × 6,057.75
  4. Step 4: Simplify right side
    20,102.07x = 182,610,873.75
  5. Step 5: Solve for x
    x = 182,610,873.75/20,102.07
  6. Step 6: Final answer
    x = 9,084.18

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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.