Home / 18,629.57-27,948.27-5,480.84

Finding the Fourth Proportional to 18,629.57, 27,948.27 and 5,480.84

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Solution

The fourth proportional to 18,629.57, 27,948.27 and 5,480.84 is: 8,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.57 : 27,948.27 = 5,480.84 : x
  2. Step 2: Convert to fraction form
    18,629.57/27,948.27 = 5,480.84/x
  3. Step 3: Cross multiply
    18,629.57x = 27,948.27 × 5,480.84
  4. Step 4: Simplify right side
    18,629.57x = 153,179,856.41
  5. Step 5: Solve for x
    x = 153,179,856.41/18,629.57
  6. Step 6: Final answer
    x = 8,222.41

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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.