Home / 17,681.93-26,518.78-5,198.61

Finding the Fourth Proportional to 17,681.93, 26,518.78 and 5,198.61

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Solution

The fourth proportional to 17,681.93, 26,518.78 and 5,198.61 is: 7,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.93 : 26,518.78 = 5,198.61 : x
  2. Step 2: Convert to fraction form
    17,681.93/26,518.78 = 5,198.61/x
  3. Step 3: Cross multiply
    17,681.93x = 26,518.78 × 5,198.61
  4. Step 4: Simplify right side
    17,681.93x = 137,860,768.90
  5. Step 5: Solve for x
    x = 137,860,768.90/17,681.93
  6. Step 6: Final answer
    x = 7,796.71

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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.