Home / 18,051.20-27,082.26-8,570.78

Finding the Fourth Proportional to 18,051.20, 27,082.26 and 8,570.78

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Solution

The fourth proportional to 18,051.20, 27,082.26 and 8,570.78 is: 12,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.20 : 27,082.26 = 8,570.78 : x
  2. Step 2: Convert to fraction form
    18,051.20/27,082.26 = 8,570.78/x
  3. Step 3: Cross multiply
    18,051.20x = 27,082.26 × 8,570.78
  4. Step 4: Simplify right side
    18,051.20x = 232,116,092.36
  5. Step 5: Solve for x
    x = 232,116,092.36/18,051.20
  6. Step 6: Final answer
    x = 12,858.76

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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.