Home / 11,716.14-16,165.58-6,999.50

Finding the Fourth Proportional to 11,716.14, 16,165.58 and 6,999.50

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Solution

The fourth proportional to 11,716.14, 16,165.58 and 6,999.50 is: 9,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.14 : 16,165.58 = 6,999.50 : x
  2. Step 2: Convert to fraction form
    11,716.14/16,165.58 = 6,999.50/x
  3. Step 3: Cross multiply
    11,716.14x = 16,165.58 × 6,999.50
  4. Step 4: Simplify right side
    11,716.14x = 113,150,977.21
  5. Step 5: Solve for x
    x = 113,150,977.21/11,716.14
  6. Step 6: Final answer
    x = 9,657.70

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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.