Home / 18,629.44-27,943.74-8,763.24

Finding the Fourth Proportional to 18,629.44, 27,943.74 and 8,763.24

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Solution

The fourth proportional to 18,629.44, 27,943.74 and 8,763.24 is: 13,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.44 : 27,943.74 = 8,763.24 : x
  2. Step 2: Convert to fraction form
    18,629.44/27,943.74 = 8,763.24/x
  3. Step 3: Cross multiply
    18,629.44x = 27,943.74 × 8,763.24
  4. Step 4: Simplify right side
    18,629.44x = 244,877,700.12
  5. Step 5: Solve for x
    x = 244,877,700.12/18,629.44
  6. Step 6: Final answer
    x = 13,144.66

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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.