Home / 17,072.33-25,620.11-10,478.39

Finding the Fourth Proportional to 17,072.33, 25,620.11 and 10,478.39

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Solution

The fourth proportional to 17,072.33, 25,620.11 and 10,478.39 is: 15,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.33 : 25,620.11 = 10,478.39 : x
  2. Step 2: Convert to fraction form
    17,072.33/25,620.11 = 10,478.39/x
  3. Step 3: Cross multiply
    17,072.33x = 25,620.11 × 10,478.39
  4. Step 4: Simplify right side
    17,072.33x = 268,457,323.93
  5. Step 5: Solve for x
    x = 268,457,323.93/17,072.33
  6. Step 6: Final answer
    x = 15,724.71

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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.