Home / 17,172.94-23,819.90-16,717.72

Finding the Fourth Proportional to 17,172.94, 23,819.90 and 16,717.72

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Solution

The fourth proportional to 17,172.94, 23,819.90 and 16,717.72 is: 23,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.94 : 23,819.90 = 16,717.72 : x
  2. Step 2: Convert to fraction form
    17,172.94/23,819.90 = 16,717.72/x
  3. Step 3: Cross multiply
    17,172.94x = 23,819.90 × 16,717.72
  4. Step 4: Simplify right side
    17,172.94x = 398,214,376.83
  5. Step 5: Solve for x
    x = 398,214,376.83/17,172.94
  6. Step 6: Final answer
    x = 23,188.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.