Home / 18,650.56-27,975.66-8,784.44

Finding the Fourth Proportional to 18,650.56, 27,975.66 and 8,784.44

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Solution

The fourth proportional to 18,650.56, 27,975.66 and 8,784.44 is: 13,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.56 : 27,975.66 = 8,784.44 : x
  2. Step 2: Convert to fraction form
    18,650.56/27,975.66 = 8,784.44/x
  3. Step 3: Cross multiply
    18,650.56x = 27,975.66 × 8,784.44
  4. Step 4: Simplify right side
    18,650.56x = 245,750,506.73
  5. Step 5: Solve for x
    x = 245,750,506.73/18,650.56
  6. Step 6: Final answer
    x = 13,176.58

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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.