Home / 17,108.26-25,663.31-5,422.39

Finding the Fourth Proportional to 17,108.26, 25,663.31 and 5,422.39

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Solution

The fourth proportional to 17,108.26, 25,663.31 and 5,422.39 is: 8,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.26 : 25,663.31 = 5,422.39 : x
  2. Step 2: Convert to fraction form
    17,108.26/25,663.31 = 5,422.39/x
  3. Step 3: Cross multiply
    17,108.26x = 25,663.31 × 5,422.39
  4. Step 4: Simplify right side
    17,108.26x = 139,156,533.68
  5. Step 5: Solve for x
    x = 139,156,533.68/17,108.26
  6. Step 6: Final answer
    x = 8,133.88

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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.