Home / 18,166.30-25,069.72-10,996.12

Finding the Fourth Proportional to 18,166.30, 25,069.72 and 10,996.12

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Solution

The fourth proportional to 18,166.30, 25,069.72 and 10,996.12 is: 15,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.30 : 25,069.72 = 10,996.12 : x
  2. Step 2: Convert to fraction form
    18,166.30/25,069.72 = 10,996.12/x
  3. Step 3: Cross multiply
    18,166.30x = 25,069.72 × 10,996.12
  4. Step 4: Simplify right side
    18,166.30x = 275,669,649.49
  5. Step 5: Solve for x
    x = 275,669,649.49/18,166.30
  6. Step 6: Final answer
    x = 15,174.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.