Home / 13,249.40-19,863.66-9,076.76

Finding the Fourth Proportional to 13,249.40, 19,863.66 and 9,076.76

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Solution

The fourth proportional to 13,249.40, 19,863.66 and 9,076.76 is: 13,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.40 : 19,863.66 = 9,076.76 : x
  2. Step 2: Convert to fraction form
    13,249.40/19,863.66 = 9,076.76/x
  3. Step 3: Cross multiply
    13,249.40x = 19,863.66 × 9,076.76
  4. Step 4: Simplify right side
    13,249.40x = 180,297,674.54
  5. Step 5: Solve for x
    x = 180,297,674.54/13,249.40
  6. Step 6: Final answer
    x = 13,607.99

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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.