Home / 12,519.14-17,269.44-8,037.86

Finding the Fourth Proportional to 12,519.14, 17,269.44 and 8,037.86

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Solution

The fourth proportional to 12,519.14, 17,269.44 and 8,037.86 is: 11,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.14 : 17,269.44 = 8,037.86 : x
  2. Step 2: Convert to fraction form
    12,519.14/17,269.44 = 8,037.86/x
  3. Step 3: Cross multiply
    12,519.14x = 17,269.44 × 8,037.86
  4. Step 4: Simplify right side
    12,519.14x = 138,809,341.00
  5. Step 5: Solve for x
    x = 138,809,341.00/12,519.14
  6. Step 6: Final answer
    x = 11,087.77

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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.