Home / 13,110.32-19,665.12-3,249.38

Finding the Fourth Proportional to 13,110.32, 19,665.12 and 3,249.38

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Solution

The fourth proportional to 13,110.32, 19,665.12 and 3,249.38 is: 4,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.32 : 19,665.12 = 3,249.38 : x
  2. Step 2: Convert to fraction form
    13,110.32/19,665.12 = 3,249.38/x
  3. Step 3: Cross multiply
    13,110.32x = 19,665.12 × 3,249.38
  4. Step 4: Simplify right side
    13,110.32x = 63,899,447.63
  5. Step 5: Solve for x
    x = 63,899,447.63/13,110.32
  6. Step 6: Final answer
    x = 4,873.98

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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.