Home / 20,624.22-30,941.64-9,538.86

Finding the Fourth Proportional to 20,624.22, 30,941.64 and 9,538.86

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Solution

The fourth proportional to 20,624.22, 30,941.64 and 9,538.86 is: 14,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.22 : 30,941.64 = 9,538.86 : x
  2. Step 2: Convert to fraction form
    20,624.22/30,941.64 = 9,538.86/x
  3. Step 3: Cross multiply
    20,624.22x = 30,941.64 × 9,538.86
  4. Step 4: Simplify right side
    20,624.22x = 295,147,972.13
  5. Step 5: Solve for x
    x = 295,147,972.13/20,624.22
  6. Step 6: Final answer
    x = 14,310.75

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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.