Home / 12,481.96-18,722.56-5,084.58

Finding the Fourth Proportional to 12,481.96, 18,722.56 and 5,084.58

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Solution

The fourth proportional to 12,481.96, 18,722.56 and 5,084.58 is: 7,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.96 : 18,722.56 = 5,084.58 : x
  2. Step 2: Convert to fraction form
    12,481.96/18,722.56 = 5,084.58/x
  3. Step 3: Cross multiply
    12,481.96x = 18,722.56 × 5,084.58
  4. Step 4: Simplify right side
    12,481.96x = 95,196,354.12
  5. Step 5: Solve for x
    x = 95,196,354.12/12,481.96
  6. Step 6: Final answer
    x = 7,626.72

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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.