Home / 18,249.36-27,372.68-5,102.76

Finding the Fourth Proportional to 18,249.36, 27,372.68 and 5,102.76

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Solution

The fourth proportional to 18,249.36, 27,372.68 and 5,102.76 is: 7,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.36 : 27,372.68 = 5,102.76 : x
  2. Step 2: Convert to fraction form
    18,249.36/27,372.68 = 5,102.76/x
  3. Step 3: Cross multiply
    18,249.36x = 27,372.68 × 5,102.76
  4. Step 4: Simplify right side
    18,249.36x = 139,676,191.08
  5. Step 5: Solve for x
    x = 139,676,191.08/18,249.36
  6. Step 6: Final answer
    x = 7,653.76

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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.