Home / 18,942.68-26,140.96-10,328.80

Finding the Fourth Proportional to 18,942.68, 26,140.96 and 10,328.80

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Solution

The fourth proportional to 18,942.68, 26,140.96 and 10,328.80 is: 14,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.68 : 26,140.96 = 10,328.80 : x
  2. Step 2: Convert to fraction form
    18,942.68/26,140.96 = 10,328.80/x
  3. Step 3: Cross multiply
    18,942.68x = 26,140.96 × 10,328.80
  4. Step 4: Simplify right side
    18,942.68x = 270,004,747.65
  5. Step 5: Solve for x
    x = 270,004,747.65/18,942.68
  6. Step 6: Final answer
    x = 14,253.78

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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.