Home / 10,718.15-16,067.64-5,450.21

Finding the Fourth Proportional to 10,718.15, 16,067.64 and 5,450.21

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Solution

The fourth proportional to 10,718.15, 16,067.64 and 5,450.21 is: 8,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.15 : 16,067.64 = 5,450.21 : x
  2. Step 2: Convert to fraction form
    10,718.15/16,067.64 = 5,450.21/x
  3. Step 3: Cross multiply
    10,718.15x = 16,067.64 × 5,450.21
  4. Step 4: Simplify right side
    10,718.15x = 87,571,931.87
  5. Step 5: Solve for x
    x = 87,571,931.87/10,718.15
  6. Step 6: Final answer
    x = 8,170.44

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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.