Home / 17,399.28-26,078.76-8,019.68

Finding the Fourth Proportional to 17,399.28, 26,078.76 and 8,019.68

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Solution

The fourth proportional to 17,399.28, 26,078.76 and 8,019.68 is: 12,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.28 : 26,078.76 = 8,019.68 : x
  2. Step 2: Convert to fraction form
    17,399.28/26,078.76 = 8,019.68/x
  3. Step 3: Cross multiply
    17,399.28x = 26,078.76 × 8,019.68
  4. Step 4: Simplify right side
    17,399.28x = 209,143,310.00
  5. Step 5: Solve for x
    x = 209,143,310.00/17,399.28
  6. Step 6: Final answer
    x = 12,020.23

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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.