Home / 18,153.06-27,233.24-8,289.69

Finding the Fourth Proportional to 18,153.06, 27,233.24 and 8,289.69

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Solution

The fourth proportional to 18,153.06, 27,233.24 and 8,289.69 is: 12,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.06 : 27,233.24 = 8,289.69 : x
  2. Step 2: Convert to fraction form
    18,153.06/27,233.24 = 8,289.69/x
  3. Step 3: Cross multiply
    18,153.06x = 27,233.24 × 8,289.69
  4. Step 4: Simplify right side
    18,153.06x = 225,755,075.85
  5. Step 5: Solve for x
    x = 225,755,075.85/18,153.06
  6. Step 6: Final answer
    x = 12,436.20

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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.