Home / 17,717.97-26,558.72-7,861.89

Finding the Fourth Proportional to 17,717.97, 26,558.72 and 7,861.89

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Solution

The fourth proportional to 17,717.97, 26,558.72 and 7,861.89 is: 11,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.97 : 26,558.72 = 7,861.89 : x
  2. Step 2: Convert to fraction form
    17,717.97/26,558.72 = 7,861.89/x
  3. Step 3: Cross multiply
    17,717.97x = 26,558.72 × 7,861.89
  4. Step 4: Simplify right side
    17,717.97x = 208,801,695.87
  5. Step 5: Solve for x
    x = 208,801,695.87/17,717.97
  6. Step 6: Final answer
    x = 11,784.74

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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.