Home / 13,949.14-20,923.68-8,758.66

Finding the Fourth Proportional to 13,949.14, 20,923.68 and 8,758.66

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Solution

The fourth proportional to 13,949.14, 20,923.68 and 8,758.66 is: 13,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.14 : 20,923.68 = 8,758.66 : x
  2. Step 2: Convert to fraction form
    13,949.14/20,923.68 = 8,758.66/x
  3. Step 3: Cross multiply
    13,949.14x = 20,923.68 × 8,758.66
  4. Step 4: Simplify right side
    13,949.14x = 183,263,399.07
  5. Step 5: Solve for x
    x = 183,263,399.07/13,949.14
  6. Step 6: Final answer
    x = 13,137.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.