Home / 10,057.99-13,876.44-6,279.73

Finding the Fourth Proportional to 10,057.99, 13,876.44 and 6,279.73

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Solution

The fourth proportional to 10,057.99, 13,876.44 and 6,279.73 is: 8,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.99 : 13,876.44 = 6,279.73 : x
  2. Step 2: Convert to fraction form
    10,057.99/13,876.44 = 6,279.73/x
  3. Step 3: Cross multiply
    10,057.99x = 13,876.44 × 6,279.73
  4. Step 4: Simplify right side
    10,057.99x = 87,140,296.56
  5. Step 5: Solve for x
    x = 87,140,296.56/10,057.99
  6. Step 6: Final answer
    x = 8,663.79

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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.