Home / 11,306.88-16,955.84-8,177.36

Finding the Fourth Proportional to 11,306.88, 16,955.84 and 8,177.36

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Solution

The fourth proportional to 11,306.88, 16,955.84 and 8,177.36 is: 12,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.88 : 16,955.84 = 8,177.36 : x
  2. Step 2: Convert to fraction form
    11,306.88/16,955.84 = 8,177.36/x
  3. Step 3: Cross multiply
    11,306.88x = 16,955.84 × 8,177.36
  4. Step 4: Simplify right side
    11,306.88x = 138,654,007.78
  5. Step 5: Solve for x
    x = 138,654,007.78/11,306.88
  6. Step 6: Final answer
    x = 12,262.80

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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.