Home / 11,769.33-16,219.77-7,992.66

Finding the Fourth Proportional to 11,769.33, 16,219.77 and 7,992.66

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Solution

The fourth proportional to 11,769.33, 16,219.77 and 7,992.66 is: 11,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.33 : 16,219.77 = 7,992.66 : x
  2. Step 2: Convert to fraction form
    11,769.33/16,219.77 = 7,992.66/x
  3. Step 3: Cross multiply
    11,769.33x = 16,219.77 × 7,992.66
  4. Step 4: Simplify right side
    11,769.33x = 129,639,106.89
  5. Step 5: Solve for x
    x = 129,639,106.89/11,769.33
  6. Step 6: Final answer
    x = 11,014.99

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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.