Home / 17,208.45-25,814.70-6,112.80

Finding the Fourth Proportional to 17,208.45, 25,814.70 and 6,112.80

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Solution

The fourth proportional to 17,208.45, 25,814.70 and 6,112.80 is: 9,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.45 : 25,814.70 = 6,112.80 : x
  2. Step 2: Convert to fraction form
    17,208.45/25,814.70 = 6,112.80/x
  3. Step 3: Cross multiply
    17,208.45x = 25,814.70 × 6,112.80
  4. Step 4: Simplify right side
    17,208.45x = 157,800,098.16
  5. Step 5: Solve for x
    x = 157,800,098.16/17,208.45
  6. Step 6: Final answer
    x = 9,169.92

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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.