Home / 13,786.77-20,680.56-5,028.24

Finding the Fourth Proportional to 13,786.77, 20,680.56 and 5,028.24

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Solution

The fourth proportional to 13,786.77, 20,680.56 and 5,028.24 is: 7,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.77 : 20,680.56 = 5,028.24 : x
  2. Step 2: Convert to fraction form
    13,786.77/20,680.56 = 5,028.24/x
  3. Step 3: Cross multiply
    13,786.77x = 20,680.56 × 5,028.24
  4. Step 4: Simplify right side
    13,786.77x = 103,986,819.01
  5. Step 5: Solve for x
    x = 103,986,819.01/13,786.77
  6. Step 6: Final answer
    x = 7,542.51

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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.