Home / 18,423.20-27,634.55-11,029.70

Finding the Fourth Proportional to 18,423.20, 27,634.55 and 11,029.70

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Solution

The fourth proportional to 18,423.20, 27,634.55 and 11,029.70 is: 16,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.20 : 27,634.55 = 11,029.70 : x
  2. Step 2: Convert to fraction form
    18,423.20/27,634.55 = 11,029.70/x
  3. Step 3: Cross multiply
    18,423.20x = 27,634.55 × 11,029.70
  4. Step 4: Simplify right side
    18,423.20x = 304,800,602.81
  5. Step 5: Solve for x
    x = 304,800,602.81/18,423.20
  6. Step 6: Final answer
    x = 16,544.39

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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.