Home / 18,249.18-25,181.98-13,471.66

Finding the Fourth Proportional to 18,249.18, 25,181.98 and 13,471.66

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Solution

The fourth proportional to 18,249.18, 25,181.98 and 13,471.66 is: 18,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.18 : 25,181.98 = 13,471.66 : x
  2. Step 2: Convert to fraction form
    18,249.18/25,181.98 = 13,471.66/x
  3. Step 3: Cross multiply
    18,249.18x = 25,181.98 × 13,471.66
  4. Step 4: Simplify right side
    18,249.18x = 339,243,072.69
  5. Step 5: Solve for x
    x = 339,243,072.69/18,249.18
  6. Step 6: Final answer
    x = 18,589.50

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Half scale
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Double scale
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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.