Home / 18,108.27-27,162.97-5,628.36

Finding the Fourth Proportional to 18,108.27, 27,162.97 and 5,628.36

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Solution

The fourth proportional to 18,108.27, 27,162.97 and 5,628.36 is: 8,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.27 : 27,162.97 = 5,628.36 : x
  2. Step 2: Convert to fraction form
    18,108.27/27,162.97 = 5,628.36/x
  3. Step 3: Cross multiply
    18,108.27x = 27,162.97 × 5,628.36
  4. Step 4: Simplify right side
    18,108.27x = 152,882,973.83
  5. Step 5: Solve for x
    x = 152,882,973.83/18,108.27
  6. Step 6: Final answer
    x = 8,442.72

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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.