Home / 11,729.91-16,187.67-6,425.03

Finding the Fourth Proportional to 11,729.91, 16,187.67 and 6,425.03

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Solution

The fourth proportional to 11,729.91, 16,187.67 and 6,425.03 is: 8,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.91 : 16,187.67 = 6,425.03 : x
  2. Step 2: Convert to fraction form
    11,729.91/16,187.67 = 6,425.03/x
  3. Step 3: Cross multiply
    11,729.91x = 16,187.67 × 6,425.03
  4. Step 4: Simplify right side
    11,729.91x = 104,006,184.44
  5. Step 5: Solve for x
    x = 104,006,184.44/11,729.91
  6. Step 6: Final answer
    x = 8,866.75

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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.