Home / 20,441.50-30,671.93-8,597.86

Finding the Fourth Proportional to 20,441.50, 30,671.93 and 8,597.86

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Solution

The fourth proportional to 20,441.50, 30,671.93 and 8,597.86 is: 12,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.50 : 30,671.93 = 8,597.86 : x
  2. Step 2: Convert to fraction form
    20,441.50/30,671.93 = 8,597.86/x
  3. Step 3: Cross multiply
    20,441.50x = 30,671.93 × 8,597.86
  4. Step 4: Simplify right side
    20,441.50x = 263,713,029.05
  5. Step 5: Solve for x
    x = 263,713,029.05/20,441.50
  6. Step 6: Final answer
    x = 12,900.87

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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.