Home / 18,604.20-27,908.72-6,125.50

Finding the Fourth Proportional to 18,604.20, 27,908.72 and 6,125.50

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Solution

The fourth proportional to 18,604.20, 27,908.72 and 6,125.50 is: 9,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.20 : 27,908.72 = 6,125.50 : x
  2. Step 2: Convert to fraction form
    18,604.20/27,908.72 = 6,125.50/x
  3. Step 3: Cross multiply
    18,604.20x = 27,908.72 × 6,125.50
  4. Step 4: Simplify right side
    18,604.20x = 170,954,864.36
  5. Step 5: Solve for x
    x = 170,954,864.36/18,604.20
  6. Step 6: Final answer
    x = 9,189.05

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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.