Home / 18,218.67-27,328.41-8,351.25

Finding the Fourth Proportional to 18,218.67, 27,328.41 and 8,351.25

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Solution

The fourth proportional to 18,218.67, 27,328.41 and 8,351.25 is: 12,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.67 : 27,328.41 = 8,351.25 : x
  2. Step 2: Convert to fraction form
    18,218.67/27,328.41 = 8,351.25/x
  3. Step 3: Cross multiply
    18,218.67x = 27,328.41 × 8,351.25
  4. Step 4: Simplify right side
    18,218.67x = 228,226,384.01
  5. Step 5: Solve for x
    x = 228,226,384.01/18,218.67
  6. Step 6: Final answer
    x = 12,527.06

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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.