Home / 14,450.55-21,674.07-3,919.92

Finding the Fourth Proportional to 14,450.55, 21,674.07 and 3,919.92

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Solution

The fourth proportional to 14,450.55, 21,674.07 and 3,919.92 is: 5,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.55 : 21,674.07 = 3,919.92 : x
  2. Step 2: Convert to fraction form
    14,450.55/21,674.07 = 3,919.92/x
  3. Step 3: Cross multiply
    14,450.55x = 21,674.07 × 3,919.92
  4. Step 4: Simplify right side
    14,450.55x = 84,960,539.20
  5. Step 5: Solve for x
    x = 84,960,539.20/14,450.55
  6. Step 6: Final answer
    x = 5,879.40

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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.