Home / 16,790.13-25,136.55-12,647.58

Finding the Fourth Proportional to 16,790.13, 25,136.55 and 12,647.58

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Solution

The fourth proportional to 16,790.13, 25,136.55 and 12,647.58 is: 18,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.13 : 25,136.55 = 12,647.58 : x
  2. Step 2: Convert to fraction form
    16,790.13/25,136.55 = 12,647.58/x
  3. Step 3: Cross multiply
    16,790.13x = 25,136.55 × 12,647.58
  4. Step 4: Simplify right side
    16,790.13x = 317,916,527.05
  5. Step 5: Solve for x
    x = 317,916,527.05/16,790.13
  6. Step 6: Final answer
    x = 18,934.73

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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.