Home / 11,914.72-16,444.43-6,878.23

Finding the Fourth Proportional to 11,914.72, 16,444.43 and 6,878.23

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Solution

The fourth proportional to 11,914.72, 16,444.43 and 6,878.23 is: 9,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.72 : 16,444.43 = 6,878.23 : x
  2. Step 2: Convert to fraction form
    11,914.72/16,444.43 = 6,878.23/x
  3. Step 3: Cross multiply
    11,914.72x = 16,444.43 × 6,878.23
  4. Step 4: Simplify right side
    11,914.72x = 113,108,571.76
  5. Step 5: Solve for x
    x = 113,108,571.76/11,914.72
  6. Step 6: Final answer
    x = 9,493.18

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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.