Home / 11,881.73-16,391.67-6,842.95

Finding the Fourth Proportional to 11,881.73, 16,391.67 and 6,842.95

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Solution

The fourth proportional to 11,881.73, 16,391.67 and 6,842.95 is: 9,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.73 : 16,391.67 = 6,842.95 : x
  2. Step 2: Convert to fraction form
    11,881.73/16,391.67 = 6,842.95/x
  3. Step 3: Cross multiply
    11,881.73x = 16,391.67 × 6,842.95
  4. Step 4: Simplify right side
    11,881.73x = 112,167,442.28
  5. Step 5: Solve for x
    x = 112,167,442.28/11,881.73
  6. Step 6: Final answer
    x = 9,440.33

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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.