Home / 11,876.61-16,378.97-10,664.65

Finding the Fourth Proportional to 11,876.61, 16,378.97 and 10,664.65

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Solution

The fourth proportional to 11,876.61, 16,378.97 and 10,664.65 is: 14,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.61 : 16,378.97 = 10,664.65 : x
  2. Step 2: Convert to fraction form
    11,876.61/16,378.97 = 10,664.65/x
  3. Step 3: Cross multiply
    11,876.61x = 16,378.97 × 10,664.65
  4. Step 4: Simplify right side
    11,876.61x = 174,675,982.41
  5. Step 5: Solve for x
    x = 174,675,982.41/11,876.61
  6. Step 6: Final answer
    x = 14,707.56

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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.