Home / 20,207.07-30,313.04-6,882.30

Finding the Fourth Proportional to 20,207.07, 30,313.04 and 6,882.30

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Solution

The fourth proportional to 20,207.07, 30,313.04 and 6,882.30 is: 10,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.07 : 30,313.04 = 6,882.30 : x
  2. Step 2: Convert to fraction form
    20,207.07/30,313.04 = 6,882.30/x
  3. Step 3: Cross multiply
    20,207.07x = 30,313.04 × 6,882.30
  4. Step 4: Simplify right side
    20,207.07x = 208,623,400.78
  5. Step 5: Solve for x
    x = 208,623,400.78/20,207.07
  6. Step 6: Final answer
    x = 10,324.28

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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.