Home / 17,659.38-26,495.86-7,791.68

Finding the Fourth Proportional to 17,659.38, 26,495.86 and 7,791.68

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Solution

The fourth proportional to 17,659.38, 26,495.86 and 7,791.68 is: 11,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.38 : 26,495.86 = 7,791.68 : x
  2. Step 2: Convert to fraction form
    17,659.38/26,495.86 = 7,791.68/x
  3. Step 3: Cross multiply
    17,659.38x = 26,495.86 × 7,791.68
  4. Step 4: Simplify right side
    17,659.38x = 206,447,262.44
  5. Step 5: Solve for x
    x = 206,447,262.44/17,659.38
  6. Step 6: Final answer
    x = 11,690.52

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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.