Home / 18,423.20-27,634.80-7,329.17

Finding the Fourth Proportional to 18,423.20, 27,634.80 and 7,329.17

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Solution

The fourth proportional to 18,423.20, 27,634.80 and 7,329.17 is: 10,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.20 : 27,634.80 = 7,329.17 : x
  2. Step 2: Convert to fraction form
    18,423.20/27,634.80 = 7,329.17/x
  3. Step 3: Cross multiply
    18,423.20x = 27,634.80 × 7,329.17
  4. Step 4: Simplify right side
    18,423.20x = 202,540,147.12
  5. Step 5: Solve for x
    x = 202,540,147.12/18,423.20
  6. Step 6: Final answer
    x = 10,993.76

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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.