Home / 14,286.66-19,713.69-7,998.90

Finding the Fourth Proportional to 14,286.66, 19,713.69 and 7,998.90

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Solution

The fourth proportional to 14,286.66, 19,713.69 and 7,998.90 is: 11,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.66 : 19,713.69 = 7,998.90 : x
  2. Step 2: Convert to fraction form
    14,286.66/19,713.69 = 7,998.90/x
  3. Step 3: Cross multiply
    14,286.66x = 19,713.69 × 7,998.90
  4. Step 4: Simplify right side
    14,286.66x = 157,687,834.94
  5. Step 5: Solve for x
    x = 157,687,834.94/14,286.66
  6. Step 6: Final answer
    x = 11,037.42

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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.