Home / 17,121.26-25,684.70-5,437.28

Finding the Fourth Proportional to 17,121.26, 25,684.70 and 5,437.28

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Solution

The fourth proportional to 17,121.26, 25,684.70 and 5,437.28 is: 8,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.26 : 25,684.70 = 5,437.28 : x
  2. Step 2: Convert to fraction form
    17,121.26/25,684.70 = 5,437.28/x
  3. Step 3: Cross multiply
    17,121.26x = 25,684.70 × 5,437.28
  4. Step 4: Simplify right side
    17,121.26x = 139,654,905.62
  5. Step 5: Solve for x
    x = 139,654,905.62/17,121.26
  6. Step 6: Final answer
    x = 8,156.81

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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.