Home / 12,755.24-17,618.96-8,769.44

Finding the Fourth Proportional to 12,755.24, 17,618.96 and 8,769.44

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Solution

The fourth proportional to 12,755.24, 17,618.96 and 8,769.44 is: 12,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.24 : 17,618.96 = 8,769.44 : x
  2. Step 2: Convert to fraction form
    12,755.24/17,618.96 = 8,769.44/x
  3. Step 3: Cross multiply
    12,755.24x = 17,618.96 × 8,769.44
  4. Step 4: Simplify right side
    12,755.24x = 154,508,412.58
  5. Step 5: Solve for x
    x = 154,508,412.58/12,755.24
  6. Step 6: Final answer
    x = 12,113.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.