Home / 17,078.03-25,616.13-5,231.81

Finding the Fourth Proportional to 17,078.03, 25,616.13 and 5,231.81

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Solution

The fourth proportional to 17,078.03, 25,616.13 and 5,231.81 is: 7,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.03 : 25,616.13 = 5,231.81 : x
  2. Step 2: Convert to fraction form
    17,078.03/25,616.13 = 5,231.81/x
  3. Step 3: Cross multiply
    17,078.03x = 25,616.13 × 5,231.81
  4. Step 4: Simplify right side
    17,078.03x = 134,018,725.10
  5. Step 5: Solve for x
    x = 134,018,725.10/17,078.03
  6. Step 6: Final answer
    x = 7,847.43

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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.