Home / 17,108.99-25,659.62-5,415.83

Finding the Fourth Proportional to 17,108.99, 25,659.62 and 5,415.83

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Solution

The fourth proportional to 17,108.99, 25,659.62 and 5,415.83 is: 8,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.99 : 25,659.62 = 5,415.83 : x
  2. Step 2: Convert to fraction form
    17,108.99/25,659.62 = 5,415.83/x
  3. Step 3: Cross multiply
    17,108.99x = 25,659.62 × 5,415.83
  4. Step 4: Simplify right side
    17,108.99x = 138,968,112.71
  5. Step 5: Solve for x
    x = 138,968,112.71/17,108.99
  6. Step 6: Final answer
    x = 8,122.52

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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.