Home / 17,079.14-25,618.71-5,400.56

Finding the Fourth Proportional to 17,079.14, 25,618.71 and 5,400.56

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Solution

The fourth proportional to 17,079.14, 25,618.71 and 5,400.56 is: 8,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,079.14 : 25,618.71 = 5,400.56 : x
  2. Step 2: Convert to fraction form
    17,079.14/25,618.71 = 5,400.56/x
  3. Step 3: Cross multiply
    17,079.14x = 25,618.71 × 5,400.56
  4. Step 4: Simplify right side
    17,079.14x = 138,355,380.48
  5. Step 5: Solve for x
    x = 138,355,380.48/17,079.14
  6. Step 6: Final answer
    x = 8,100.84

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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.