Home / 19,188.43-26,481.97-10,691.93

Finding the Fourth Proportional to 19,188.43, 26,481.97 and 10,691.93

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Solution

The fourth proportional to 19,188.43, 26,481.97 and 10,691.93 is: 14,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.43 : 26,481.97 = 10,691.93 : x
  2. Step 2: Convert to fraction form
    19,188.43/26,481.97 = 10,691.93/x
  3. Step 3: Cross multiply
    19,188.43x = 26,481.97 × 10,691.93
  4. Step 4: Simplify right side
    19,188.43x = 283,143,369.50
  5. Step 5: Solve for x
    x = 283,143,369.50/19,188.43
  6. Step 6: Final answer
    x = 14,755.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.