Home / 18,168.30-25,072.74-10,211.24

Finding the Fourth Proportional to 18,168.30, 25,072.74 and 10,211.24

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Solution

The fourth proportional to 18,168.30, 25,072.74 and 10,211.24 is: 14,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.30 : 25,072.74 = 10,211.24 : x
  2. Step 2: Convert to fraction form
    18,168.30/25,072.74 = 10,211.24/x
  3. Step 3: Cross multiply
    18,168.30x = 25,072.74 × 10,211.24
  4. Step 4: Simplify right side
    18,168.30x = 256,023,765.60
  5. Step 5: Solve for x
    x = 256,023,765.60/18,168.30
  6. Step 6: Final answer
    x = 14,091.78

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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.