Home / 20,584.29-30,861.45-6,539.70

Finding the Fourth Proportional to 20,584.29, 30,861.45 and 6,539.70

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Solution

The fourth proportional to 20,584.29, 30,861.45 and 6,539.70 is: 9,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.29 : 30,861.45 = 6,539.70 : x
  2. Step 2: Convert to fraction form
    20,584.29/30,861.45 = 6,539.70/x
  3. Step 3: Cross multiply
    20,584.29x = 30,861.45 × 6,539.70
  4. Step 4: Simplify right side
    20,584.29x = 201,824,624.57
  5. Step 5: Solve for x
    x = 201,824,624.57/20,584.29
  6. Step 6: Final answer
    x = 9,804.79

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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.