Home / 16,820.87-25,247.70-12,834.86

Finding the Fourth Proportional to 16,820.87, 25,247.70 and 12,834.86

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Solution

The fourth proportional to 16,820.87, 25,247.70 and 12,834.86 is: 19,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.87 : 25,247.70 = 12,834.86 : x
  2. Step 2: Convert to fraction form
    16,820.87/25,247.70 = 12,834.86/x
  3. Step 3: Cross multiply
    16,820.87x = 25,247.70 × 12,834.86
  4. Step 4: Simplify right side
    16,820.87x = 324,050,568.58
  5. Step 5: Solve for x
    x = 324,050,568.58/16,820.87
  6. Step 6: Final answer
    x = 19,264.80

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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.