Home / 20,185.40-30,269.46-6,335.48

Finding the Fourth Proportional to 20,185.40, 30,269.46 and 6,335.48

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Solution

The fourth proportional to 20,185.40, 30,269.46 and 6,335.48 is: 9,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.40 : 30,269.46 = 6,335.48 : x
  2. Step 2: Convert to fraction form
    20,185.40/30,269.46 = 6,335.48/x
  3. Step 3: Cross multiply
    20,185.40x = 30,269.46 × 6,335.48
  4. Step 4: Simplify right side
    20,185.40x = 191,771,558.44
  5. Step 5: Solve for x
    x = 191,771,558.44/20,185.40
  6. Step 6: Final answer
    x = 9,500.51

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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.