Home / 16,855.40-25,311.90-11,037.80

Finding the Fourth Proportional to 16,855.40, 25,311.90 and 11,037.80

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Solution

The fourth proportional to 16,855.40, 25,311.90 and 11,037.80 is: 16,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.40 : 25,311.90 = 11,037.80 : x
  2. Step 2: Convert to fraction form
    16,855.40/25,311.90 = 11,037.80/x
  3. Step 3: Cross multiply
    16,855.40x = 25,311.90 × 11,037.80
  4. Step 4: Simplify right side
    16,855.40x = 279,387,689.82
  5. Step 5: Solve for x
    x = 279,387,689.82/16,855.40
  6. Step 6: Final answer
    x = 16,575.56

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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.