Home / 18,081.36-27,123.84-5,600.88

Finding the Fourth Proportional to 18,081.36, 27,123.84 and 5,600.88

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Solution

The fourth proportional to 18,081.36, 27,123.84 and 5,600.88 is: 8,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.36 : 27,123.84 = 5,600.88 : x
  2. Step 2: Convert to fraction form
    18,081.36/27,123.84 = 5,600.88/x
  3. Step 3: Cross multiply
    18,081.36x = 27,123.84 × 5,600.88
  4. Step 4: Simplify right side
    18,081.36x = 151,917,372.98
  5. Step 5: Solve for x
    x = 151,917,372.98/18,081.36
  6. Step 6: Final answer
    x = 8,401.88

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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.