Home / 11,955.09-16,498.35-6,650.27

Finding the Fourth Proportional to 11,955.09, 16,498.35 and 6,650.27

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Solution

The fourth proportional to 11,955.09, 16,498.35 and 6,650.27 is: 9,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.09 : 16,498.35 = 6,650.27 : x
  2. Step 2: Convert to fraction form
    11,955.09/16,498.35 = 6,650.27/x
  3. Step 3: Cross multiply
    11,955.09x = 16,498.35 × 6,650.27
  4. Step 4: Simplify right side
    11,955.09x = 109,718,399.56
  5. Step 5: Solve for x
    x = 109,718,399.56/11,955.09
  6. Step 6: Final answer
    x = 9,177.55

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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.