Home / 17,770.98-26,647.16-8,876.78

Finding the Fourth Proportional to 17,770.98, 26,647.16 and 8,876.78

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Solution

The fourth proportional to 17,770.98, 26,647.16 and 8,876.78 is: 13,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.98 : 26,647.16 = 8,876.78 : x
  2. Step 2: Convert to fraction form
    17,770.98/26,647.16 = 8,876.78/x
  3. Step 3: Cross multiply
    17,770.98x = 26,647.16 × 8,876.78
  4. Step 4: Simplify right side
    17,770.98x = 236,540,799.33
  5. Step 5: Solve for x
    x = 236,540,799.33/17,770.98
  6. Step 6: Final answer
    x = 13,310.51

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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.