Home / 11,914.36-16,382.46-10,647.52

Finding the Fourth Proportional to 11,914.36, 16,382.46 and 10,647.52

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Solution

The fourth proportional to 11,914.36, 16,382.46 and 10,647.52 is: 14,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.36 : 16,382.46 = 10,647.52 : x
  2. Step 2: Convert to fraction form
    11,914.36/16,382.46 = 10,647.52/x
  3. Step 3: Cross multiply
    11,914.36x = 16,382.46 × 10,647.52
  4. Step 4: Simplify right side
    11,914.36x = 174,432,570.50
  5. Step 5: Solve for x
    x = 174,432,570.50/11,914.36
  6. Step 6: Final answer
    x = 14,640.53

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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.