Home / 17,819.23-26,728.86-5,340.58

Finding the Fourth Proportional to 17,819.23, 26,728.86 and 5,340.58

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Solution

The fourth proportional to 17,819.23, 26,728.86 and 5,340.58 is: 8,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.23 : 26,728.86 = 5,340.58 : x
  2. Step 2: Convert to fraction form
    17,819.23/26,728.86 = 5,340.58/x
  3. Step 3: Cross multiply
    17,819.23x = 26,728.86 × 5,340.58
  4. Step 4: Simplify right side
    17,819.23x = 142,747,615.14
  5. Step 5: Solve for x
    x = 142,747,615.14/17,819.23
  6. Step 6: Final answer
    x = 8,010.87

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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.