Home / 16,758.43-25,128.03-6,889.57

Finding the Fourth Proportional to 16,758.43, 25,128.03 and 6,889.57

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Solution

The fourth proportional to 16,758.43, 25,128.03 and 6,889.57 is: 10,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.43 : 25,128.03 = 6,889.57 : x
  2. Step 2: Convert to fraction form
    16,758.43/25,128.03 = 6,889.57/x
  3. Step 3: Cross multiply
    16,758.43x = 25,128.03 × 6,889.57
  4. Step 4: Simplify right side
    16,758.43x = 173,121,321.65
  5. Step 5: Solve for x
    x = 173,121,321.65/16,758.43
  6. Step 6: Final answer
    x = 10,330.40

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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.