Home / 17,128.67-25,693.20-6,733.13

Finding the Fourth Proportional to 17,128.67, 25,693.20 and 6,733.13

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Solution

The fourth proportional to 17,128.67, 25,693.20 and 6,733.13 is: 10,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.67 : 25,693.20 = 6,733.13 : x
  2. Step 2: Convert to fraction form
    17,128.67/25,693.20 = 6,733.13/x
  3. Step 3: Cross multiply
    17,128.67x = 25,693.20 × 6,733.13
  4. Step 4: Simplify right side
    17,128.67x = 172,995,527.25
  5. Step 5: Solve for x
    x = 172,995,527.25/17,128.67
  6. Step 6: Final answer
    x = 10,099.77

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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.