Home / 16,895.70-25,343.55-12,205.80

Finding the Fourth Proportional to 16,895.70, 25,343.55 and 12,205.80

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Solution

The fourth proportional to 16,895.70, 25,343.55 and 12,205.80 is: 18,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.70 : 25,343.55 = 12,205.80 : x
  2. Step 2: Convert to fraction form
    16,895.70/25,343.55 = 12,205.80/x
  3. Step 3: Cross multiply
    16,895.70x = 25,343.55 × 12,205.80
  4. Step 4: Simplify right side
    16,895.70x = 309,338,302.59
  5. Step 5: Solve for x
    x = 309,338,302.59/16,895.70
  6. Step 6: Final answer
    x = 18,308.70

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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.