Home / 10,795.26-16,191-4,221.66

Finding the Fourth Proportional to 10,795.26, 16,191 and 4,221.66

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Solution

The fourth proportional to 10,795.26, 16,191 and 4,221.66 is: 6,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.26 : 16,191 = 4,221.66 : x
  2. Step 2: Convert to fraction form
    10,795.26/16,191 = 4,221.66/x
  3. Step 3: Cross multiply
    10,795.26x = 16,191 × 4,221.66
  4. Step 4: Simplify right side
    10,795.26x = 68,352,897.06
  5. Step 5: Solve for x
    x = 68,352,897.06/10,795.26
  6. Step 6: Final answer
    x = 6,331.75

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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.