Home / 20,351.31-30,527.97-6,320.89

Finding the Fourth Proportional to 20,351.31, 30,527.97 and 6,320.89

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Solution

The fourth proportional to 20,351.31, 30,527.97 and 6,320.89 is: 9,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.31 : 30,527.97 = 6,320.89 : x
  2. Step 2: Convert to fraction form
    20,351.31/30,527.97 = 6,320.89/x
  3. Step 3: Cross multiply
    20,351.31x = 30,527.97 × 6,320.89
  4. Step 4: Simplify right side
    20,351.31x = 192,963,940.29
  5. Step 5: Solve for x
    x = 192,963,940.29/20,351.31
  6. Step 6: Final answer
    x = 9,481.65

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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.