Home / 11,316.36-16,968-4,382.76

Finding the Fourth Proportional to 11,316.36, 16,968 and 4,382.76

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Solution

The fourth proportional to 11,316.36, 16,968 and 4,382.76 is: 6,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.36 : 16,968 = 4,382.76 : x
  2. Step 2: Convert to fraction form
    11,316.36/16,968 = 4,382.76/x
  3. Step 3: Cross multiply
    11,316.36x = 16,968 × 4,382.76
  4. Step 4: Simplify right side
    11,316.36x = 74,366,671.68
  5. Step 5: Solve for x
    x = 74,366,671.68/11,316.36
  6. Step 6: Final answer
    x = 6,571.61

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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.