Home / 20,583.86-30,880.57-10,584.83

Finding the Fourth Proportional to 20,583.86, 30,880.57 and 10,584.83

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Solution

The fourth proportional to 20,583.86, 30,880.57 and 10,584.83 is: 15,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.86 : 30,880.57 = 10,584.83 : x
  2. Step 2: Convert to fraction form
    20,583.86/30,880.57 = 10,584.83/x
  3. Step 3: Cross multiply
    20,583.86x = 30,880.57 × 10,584.83
  4. Step 4: Simplify right side
    20,583.86x = 326,865,583.75
  5. Step 5: Solve for x
    x = 326,865,583.75/20,583.86
  6. Step 6: Final answer
    x = 15,879.70

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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.