Home / 20,196.31-30,295.97-6,157.55

Finding the Fourth Proportional to 20,196.31, 30,295.97 and 6,157.55

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Solution

The fourth proportional to 20,196.31, 30,295.97 and 6,157.55 is: 9,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.31 : 30,295.97 = 6,157.55 : x
  2. Step 2: Convert to fraction form
    20,196.31/30,295.97 = 6,157.55/x
  3. Step 3: Cross multiply
    20,196.31x = 30,295.97 × 6,157.55
  4. Step 4: Simplify right side
    20,196.31x = 186,548,950.07
  5. Step 5: Solve for x
    x = 186,548,950.07/20,196.31
  6. Step 6: Final answer
    x = 9,236.78

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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.