Home / 11,116.61-16,663.97-5,277.32

Finding the Fourth Proportional to 11,116.61, 16,663.97 and 5,277.32

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Solution

The fourth proportional to 11,116.61, 16,663.97 and 5,277.32 is: 7,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.61 : 16,663.97 = 5,277.32 : x
  2. Step 2: Convert to fraction form
    11,116.61/16,663.97 = 5,277.32/x
  3. Step 3: Cross multiply
    11,116.61x = 16,663.97 × 5,277.32
  4. Step 4: Simplify right side
    11,116.61x = 87,940,992.45
  5. Step 5: Solve for x
    x = 87,940,992.45/11,116.61
  6. Step 6: Final answer
    x = 7,910.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.