Home / 17,145.12-25,717.68-6,756.80

Finding the Fourth Proportional to 17,145.12, 25,717.68 and 6,756.80

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Solution

The fourth proportional to 17,145.12, 25,717.68 and 6,756.80 is: 10,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.12 : 25,717.68 = 6,756.80 : x
  2. Step 2: Convert to fraction form
    17,145.12/25,717.68 = 6,756.80/x
  3. Step 3: Cross multiply
    17,145.12x = 25,717.68 × 6,756.80
  4. Step 4: Simplify right side
    17,145.12x = 173,769,220.22
  5. Step 5: Solve for x
    x = 173,769,220.22/17,145.12
  6. Step 6: Final answer
    x = 10,135.20

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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.