Home / 18,161.70-27,242.55-9,399.30

Finding the Fourth Proportional to 18,161.70, 27,242.55 and 9,399.30

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Solution

The fourth proportional to 18,161.70, 27,242.55 and 9,399.30 is: 14,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.70 : 27,242.55 = 9,399.30 : x
  2. Step 2: Convert to fraction form
    18,161.70/27,242.55 = 9,399.30/x
  3. Step 3: Cross multiply
    18,161.70x = 27,242.55 × 9,399.30
  4. Step 4: Simplify right side
    18,161.70x = 256,060,900.22
  5. Step 5: Solve for x
    x = 256,060,900.22/18,161.70
  6. Step 6: Final answer
    x = 14,098.95

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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.