Home / 17,601.60-26,406.55-5,121.90

Finding the Fourth Proportional to 17,601.60, 26,406.55 and 5,121.90

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Solution

The fourth proportional to 17,601.60, 26,406.55 and 5,121.90 is: 7,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.60 : 26,406.55 = 5,121.90 : x
  2. Step 2: Convert to fraction form
    17,601.60/26,406.55 = 5,121.90/x
  3. Step 3: Cross multiply
    17,601.60x = 26,406.55 × 5,121.90
  4. Step 4: Simplify right side
    17,601.60x = 135,251,708.45
  5. Step 5: Solve for x
    x = 135,251,708.45/17,601.60
  6. Step 6: Final answer
    x = 7,684.06

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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.