Home / 20,391.75-30,592.01-6,351.48

Finding the Fourth Proportional to 20,391.75, 30,592.01 and 6,351.48

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Solution

The fourth proportional to 20,391.75, 30,592.01 and 6,351.48 is: 9,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391.75 : 30,592.01 = 6,351.48 : x
  2. Step 2: Convert to fraction form
    20,391.75/30,592.01 = 6,351.48/x
  3. Step 3: Cross multiply
    20,391.75x = 30,592.01 × 6,351.48
  4. Step 4: Simplify right side
    20,391.75x = 194,304,555.55
  5. Step 5: Solve for x
    x = 194,304,555.55/20,391.75
  6. Step 6: Final answer
    x = 9,528.59

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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.