Home / 11,307.62-16,962.97-3,910.09

Finding the Fourth Proportional to 11,307.62, 16,962.97 and 3,910.09

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Solution

The fourth proportional to 11,307.62, 16,962.97 and 3,910.09 is: 5,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.62 : 16,962.97 = 3,910.09 : x
  2. Step 2: Convert to fraction form
    11,307.62/16,962.97 = 3,910.09/x
  3. Step 3: Cross multiply
    11,307.62x = 16,962.97 × 3,910.09
  4. Step 4: Simplify right side
    11,307.62x = 66,326,677.41
  5. Step 5: Solve for x
    x = 66,326,677.41/11,307.62
  6. Step 6: Final answer
    x = 5,865.66

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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.