Home / 12,253.66-18,356.38-8,080.92

Finding the Fourth Proportional to 12,253.66, 18,356.38 and 8,080.92

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Solution

The fourth proportional to 12,253.66, 18,356.38 and 8,080.92 is: 12,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.66 : 18,356.38 = 8,080.92 : x
  2. Step 2: Convert to fraction form
    12,253.66/18,356.38 = 8,080.92/x
  3. Step 3: Cross multiply
    12,253.66x = 18,356.38 × 8,080.92
  4. Step 4: Simplify right side
    12,253.66x = 148,336,418.07
  5. Step 5: Solve for x
    x = 148,336,418.07/12,253.66
  6. Step 6: Final answer
    x = 12,105.48

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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.