Home / 11,723.28-16,177.37-6,687.51

Finding the Fourth Proportional to 11,723.28, 16,177.37 and 6,687.51

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Solution

The fourth proportional to 11,723.28, 16,177.37 and 6,687.51 is: 9,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.28 : 16,177.37 = 6,687.51 : x
  2. Step 2: Convert to fraction form
    11,723.28/16,177.37 = 6,687.51/x
  3. Step 3: Cross multiply
    11,723.28x = 16,177.37 × 6,687.51
  4. Step 4: Simplify right side
    11,723.28x = 108,186,290.21
  5. Step 5: Solve for x
    x = 108,186,290.21/11,723.28
  6. Step 6: Final answer
    x = 9,228.33

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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.