Home / 18,180.29-27,254.02-12,636.24

Finding the Fourth Proportional to 18,180.29, 27,254.02 and 12,636.24

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Solution

The fourth proportional to 18,180.29, 27,254.02 and 12,636.24 is: 18,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.29 : 27,254.02 = 12,636.24 : x
  2. Step 2: Convert to fraction form
    18,180.29/27,254.02 = 12,636.24/x
  3. Step 3: Cross multiply
    18,180.29x = 27,254.02 × 12,636.24
  4. Step 4: Simplify right side
    18,180.29x = 344,388,274.50
  5. Step 5: Solve for x
    x = 344,388,274.50/18,180.29
  6. Step 6: Final answer
    x = 18,942.95

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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.