Home / 11,311.22-16,874.99-10,698.86

Finding the Fourth Proportional to 11,311.22, 16,874.99 and 10,698.86

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Solution

The fourth proportional to 11,311.22, 16,874.99 and 10,698.86 is: 15,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.22 : 16,874.99 = 10,698.86 : x
  2. Step 2: Convert to fraction form
    11,311.22/16,874.99 = 10,698.86/x
  3. Step 3: Cross multiply
    11,311.22x = 16,874.99 × 10,698.86
  4. Step 4: Simplify right side
    11,311.22x = 180,543,155.51
  5. Step 5: Solve for x
    x = 180,543,155.51/11,311.22
  6. Step 6: Final answer
    x = 15,961.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.