Home / 16,790.37-25,185.56-6,918.80

Finding the Fourth Proportional to 16,790.37, 25,185.56 and 6,918.80

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Solution

The fourth proportional to 16,790.37, 25,185.56 and 6,918.80 is: 10,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.37 : 25,185.56 = 6,918.80 : x
  2. Step 2: Convert to fraction form
    16,790.37/25,185.56 = 6,918.80/x
  3. Step 3: Cross multiply
    16,790.37x = 25,185.56 × 6,918.80
  4. Step 4: Simplify right side
    16,790.37x = 174,253,880.90
  5. Step 5: Solve for x
    x = 174,253,880.90/16,790.37
  6. Step 6: Final answer
    x = 10,378.20

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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.