Home / 12,451.44-18,678.09-4,555.80

Finding the Fourth Proportional to 12,451.44, 18,678.09 and 4,555.80

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Solution

The fourth proportional to 12,451.44, 18,678.09 and 4,555.80 is: 6,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.44 : 18,678.09 = 4,555.80 : x
  2. Step 2: Convert to fraction form
    12,451.44/18,678.09 = 4,555.80/x
  3. Step 3: Cross multiply
    12,451.44x = 18,678.09 × 4,555.80
  4. Step 4: Simplify right side
    12,451.44x = 85,093,642.42
  5. Step 5: Solve for x
    x = 85,093,642.42/12,451.44
  6. Step 6: Final answer
    x = 6,834.04

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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.