Home / 11,660.19-16,090.27-6,879.88

Finding the Fourth Proportional to 11,660.19, 16,090.27 and 6,879.88

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Solution

The fourth proportional to 11,660.19, 16,090.27 and 6,879.88 is: 9,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.19 : 16,090.27 = 6,879.88 : x
  2. Step 2: Convert to fraction form
    11,660.19/16,090.27 = 6,879.88/x
  3. Step 3: Cross multiply
    11,660.19x = 16,090.27 × 6,879.88
  4. Step 4: Simplify right side
    11,660.19x = 110,699,126.77
  5. Step 5: Solve for x
    x = 110,699,126.77/11,660.19
  6. Step 6: Final answer
    x = 9,493.77

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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.