Home / 10,279.82-14,186.43-6,245.27

Finding the Fourth Proportional to 10,279.82, 14,186.43 and 6,245.27

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Solution

The fourth proportional to 10,279.82, 14,186.43 and 6,245.27 is: 8,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.82 : 14,186.43 = 6,245.27 : x
  2. Step 2: Convert to fraction form
    10,279.82/14,186.43 = 6,245.27/x
  3. Step 3: Cross multiply
    10,279.82x = 14,186.43 × 6,245.27
  4. Step 4: Simplify right side
    10,279.82x = 88,598,131.08
  5. Step 5: Solve for x
    x = 88,598,131.08/10,279.82
  6. Step 6: Final answer
    x = 8,618.65

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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.