Home / 18,165.41-27,251.85-7,629.23

Finding the Fourth Proportional to 18,165.41, 27,251.85 and 7,629.23

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Solution

The fourth proportional to 18,165.41, 27,251.85 and 7,629.23 is: 11,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.41 : 27,251.85 = 7,629.23 : x
  2. Step 2: Convert to fraction form
    18,165.41/27,251.85 = 7,629.23/x
  3. Step 3: Cross multiply
    18,165.41x = 27,251.85 × 7,629.23
  4. Step 4: Simplify right side
    18,165.41x = 207,910,631.58
  5. Step 5: Solve for x
    x = 207,910,631.58/18,165.41
  6. Step 6: Final answer
    x = 11,445.41

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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.