Home / 20,211.37-30,304.91-7,732.31

Finding the Fourth Proportional to 20,211.37, 30,304.91 and 7,732.31

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Solution

The fourth proportional to 20,211.37, 30,304.91 and 7,732.31 is: 11,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211.37 : 30,304.91 = 7,732.31 : x
  2. Step 2: Convert to fraction form
    20,211.37/30,304.91 = 7,732.31/x
  3. Step 3: Cross multiply
    20,211.37x = 30,304.91 × 7,732.31
  4. Step 4: Simplify right side
    20,211.37x = 234,326,958.64
  5. Step 5: Solve for x
    x = 234,326,958.64/20,211.37
  6. Step 6: Final answer
    x = 11,593.82

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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.