Home / 20,416.56-30,627.72-7,265.04

Finding the Fourth Proportional to 20,416.56, 30,627.72 and 7,265.04

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Solution

The fourth proportional to 20,416.56, 30,627.72 and 7,265.04 is: 10,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.56 : 30,627.72 = 7,265.04 : x
  2. Step 2: Convert to fraction form
    20,416.56/30,627.72 = 7,265.04/x
  3. Step 3: Cross multiply
    20,416.56x = 30,627.72 × 7,265.04
  4. Step 4: Simplify right side
    20,416.56x = 222,511,610.91
  5. Step 5: Solve for x
    x = 222,511,610.91/20,416.56
  6. Step 6: Final answer
    x = 10,898.58

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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.