Home / 20,614.08-30,879.60-9,505.44

Finding the Fourth Proportional to 20,614.08, 30,879.60 and 9,505.44

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Solution

The fourth proportional to 20,614.08, 30,879.60 and 9,505.44 is: 14,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.08 : 30,879.60 = 9,505.44 : x
  2. Step 2: Convert to fraction form
    20,614.08/30,879.60 = 9,505.44/x
  3. Step 3: Cross multiply
    20,614.08x = 30,879.60 × 9,505.44
  4. Step 4: Simplify right side
    20,614.08x = 293,524,185.02
  5. Step 5: Solve for x
    x = 293,524,185.02/20,614.08
  6. Step 6: Final answer
    x = 14,239.01

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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.