Home / 14,286.92-19,716.89-7,999.29

Finding the Fourth Proportional to 14,286.92, 19,716.89 and 7,999.29

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Solution

The fourth proportional to 14,286.92, 19,716.89 and 7,999.29 is: 11,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.92 : 19,716.89 = 7,999.29 : x
  2. Step 2: Convert to fraction form
    14,286.92/19,716.89 = 7,999.29/x
  3. Step 3: Cross multiply
    14,286.92x = 19,716.89 × 7,999.29
  4. Step 4: Simplify right side
    14,286.92x = 157,721,081.01
  5. Step 5: Solve for x
    x = 157,721,081.01/14,286.92
  6. Step 6: Final answer
    x = 11,039.55

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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.