Home / 11,003.42-16,515.61-6,830.80

Finding the Fourth Proportional to 11,003.42, 16,515.61 and 6,830.80

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Solution

The fourth proportional to 11,003.42, 16,515.61 and 6,830.80 is: 10,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.42 : 16,515.61 = 6,830.80 : x
  2. Step 2: Convert to fraction form
    11,003.42/16,515.61 = 6,830.80/x
  3. Step 3: Cross multiply
    11,003.42x = 16,515.61 × 6,830.80
  4. Step 4: Simplify right side
    11,003.42x = 112,814,828.79
  5. Step 5: Solve for x
    x = 112,814,828.79/11,003.42
  6. Step 6: Final answer
    x = 10,252.71

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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.