Home / 18,154.06-27,234.74-8,290.69

Finding the Fourth Proportional to 18,154.06, 27,234.74 and 8,290.69

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Solution

The fourth proportional to 18,154.06, 27,234.74 and 8,290.69 is: 12,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.06 : 27,234.74 = 8,290.69 : x
  2. Step 2: Convert to fraction form
    18,154.06/27,234.74 = 8,290.69/x
  3. Step 3: Cross multiply
    18,154.06x = 27,234.74 × 8,290.69
  4. Step 4: Simplify right side
    18,154.06x = 225,794,786.57
  5. Step 5: Solve for x
    x = 225,794,786.57/18,154.06
  6. Step 6: Final answer
    x = 12,437.70

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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.