Home / 17,863.28-26,786.27-5,380.98

Finding the Fourth Proportional to 17,863.28, 26,786.27 and 5,380.98

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Solution

The fourth proportional to 17,863.28, 26,786.27 and 5,380.98 is: 8,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.28 : 26,786.27 = 5,380.98 : x
  2. Step 2: Convert to fraction form
    17,863.28/26,786.27 = 5,380.98/x
  3. Step 3: Cross multiply
    17,863.28x = 26,786.27 × 5,380.98
  4. Step 4: Simplify right side
    17,863.28x = 144,136,431.69
  5. Step 5: Solve for x
    x = 144,136,431.69/17,863.28
  6. Step 6: Final answer
    x = 8,068.87

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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.