Home / 17,108.74-25,659.24-5,415.58

Finding the Fourth Proportional to 17,108.74, 25,659.24 and 5,415.58

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Solution

The fourth proportional to 17,108.74, 25,659.24 and 5,415.58 is: 8,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.74 : 25,659.24 = 5,415.58 : x
  2. Step 2: Convert to fraction form
    17,108.74/25,659.24 = 5,415.58/x
  3. Step 3: Cross multiply
    17,108.74x = 25,659.24 × 5,415.58
  4. Step 4: Simplify right side
    17,108.74x = 138,959,666.96
  5. Step 5: Solve for x
    x = 138,959,666.96/17,108.74
  6. Step 6: Final answer
    x = 8,122.14

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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.