Home / 18,434.30-27,602.26-9,650.78

Finding the Fourth Proportional to 18,434.30, 27,602.26 and 9,650.78

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Solution

The fourth proportional to 18,434.30, 27,602.26 and 9,650.78 is: 14,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.30 : 27,602.26 = 9,650.78 : x
  2. Step 2: Convert to fraction form
    18,434.30/27,602.26 = 9,650.78/x
  3. Step 3: Cross multiply
    18,434.30x = 27,602.26 × 9,650.78
  4. Step 4: Simplify right side
    18,434.30x = 266,383,338.76
  5. Step 5: Solve for x
    x = 266,383,338.76/18,434.30
  6. Step 6: Final answer
    x = 14,450.42

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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.