Home / 17,440.71-26,161.07-5,128.71

Finding the Fourth Proportional to 17,440.71, 26,161.07 and 5,128.71

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Solution

The fourth proportional to 17,440.71, 26,161.07 and 5,128.71 is: 7,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,440.71 : 26,161.07 = 5,128.71 : x
  2. Step 2: Convert to fraction form
    17,440.71/26,161.07 = 5,128.71/x
  3. Step 3: Cross multiply
    17,440.71x = 26,161.07 × 5,128.71
  4. Step 4: Simplify right side
    17,440.71x = 134,172,515.68
  5. Step 5: Solve for x
    x = 134,172,515.68/17,440.71
  6. Step 6: Final answer
    x = 7,693.07

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Similar ratio
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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.