Home / 20,416.56-30,610.36-7,926.05

Finding the Fourth Proportional to 20,416.56, 30,610.36 and 7,926.05

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Solution

The fourth proportional to 20,416.56, 30,610.36 and 7,926.05 is: 11,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.56 : 30,610.36 = 7,926.05 : x
  2. Step 2: Convert to fraction form
    20,416.56/30,610.36 = 7,926.05/x
  3. Step 3: Cross multiply
    20,416.56x = 30,610.36 × 7,926.05
  4. Step 4: Simplify right side
    20,416.56x = 242,619,285.73
  5. Step 5: Solve for x
    x = 242,619,285.73/20,416.56
  6. Step 6: Final answer
    x = 11,883.46

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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.