Home / 20,464.14-30,656.07-10,609.86

Finding the Fourth Proportional to 20,464.14, 30,656.07 and 10,609.86

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Solution

The fourth proportional to 20,464.14, 30,656.07 and 10,609.86 is: 15,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.14 : 30,656.07 = 10,609.86 : x
  2. Step 2: Convert to fraction form
    20,464.14/30,656.07 = 10,609.86/x
  3. Step 3: Cross multiply
    20,464.14x = 30,656.07 × 10,609.86
  4. Step 4: Simplify right side
    20,464.14x = 325,256,610.85
  5. Step 5: Solve for x
    x = 325,256,610.85/20,464.14
  6. Step 6: Final answer
    x = 15,893.98

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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.