Home / 11,731.58-16,188.97-6,425.38

Finding the Fourth Proportional to 11,731.58, 16,188.97 and 6,425.38

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Solution

The fourth proportional to 11,731.58, 16,188.97 and 6,425.38 is: 8,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.58 : 16,188.97 = 6,425.38 : x
  2. Step 2: Convert to fraction form
    11,731.58/16,188.97 = 6,425.38/x
  3. Step 3: Cross multiply
    11,731.58x = 16,188.97 × 6,425.38
  4. Step 4: Simplify right side
    11,731.58x = 104,020,284.06
  5. Step 5: Solve for x
    x = 104,020,284.06/11,731.58
  6. Step 6: Final answer
    x = 8,866.69

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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.