Home / 18,214.20-27,305.10-10,810.80

Finding the Fourth Proportional to 18,214.20, 27,305.10 and 10,810.80

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Solution

The fourth proportional to 18,214.20, 27,305.10 and 10,810.80 is: 16,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.20 : 27,305.10 = 10,810.80 : x
  2. Step 2: Convert to fraction form
    18,214.20/27,305.10 = 10,810.80/x
  3. Step 3: Cross multiply
    18,214.20x = 27,305.10 × 10,810.80
  4. Step 4: Simplify right side
    18,214.20x = 295,189,975.08
  5. Step 5: Solve for x
    x = 295,189,975.08/18,214.20
  6. Step 6: Final answer
    x = 16,206.58

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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.