Home / 19,093.13-28,639.68-10,769.37

Finding the Fourth Proportional to 19,093.13, 28,639.68 and 10,769.37

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Solution

The fourth proportional to 19,093.13, 28,639.68 and 10,769.37 is: 16,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.13 : 28,639.68 = 10,769.37 : x
  2. Step 2: Convert to fraction form
    19,093.13/28,639.68 = 10,769.37/x
  3. Step 3: Cross multiply
    19,093.13x = 28,639.68 × 10,769.37
  4. Step 4: Simplify right side
    19,093.13x = 308,431,323.92
  5. Step 5: Solve for x
    x = 308,431,323.92/19,093.13
  6. Step 6: Final answer
    x = 16,154.04

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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.