Home / 18,725.68-28,090.60-6,246.57

Finding the Fourth Proportional to 18,725.68, 28,090.60 and 6,246.57

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Solution

The fourth proportional to 18,725.68, 28,090.60 and 6,246.57 is: 9,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.68 : 28,090.60 = 6,246.57 : x
  2. Step 2: Convert to fraction form
    18,725.68/28,090.60 = 6,246.57/x
  3. Step 3: Cross multiply
    18,725.68x = 28,090.60 × 6,246.57
  4. Step 4: Simplify right side
    18,725.68x = 175,469,830.96
  5. Step 5: Solve for x
    x = 175,469,830.96/18,725.68
  6. Step 6: Final answer
    x = 9,370.54

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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.