Home / 14,149.44-21,227.34-4,288.80

Finding the Fourth Proportional to 14,149.44, 21,227.34 and 4,288.80

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Solution

The fourth proportional to 14,149.44, 21,227.34 and 4,288.80 is: 6,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.44 : 21,227.34 = 4,288.80 : x
  2. Step 2: Convert to fraction form
    14,149.44/21,227.34 = 4,288.80/x
  3. Step 3: Cross multiply
    14,149.44x = 21,227.34 × 4,288.80
  4. Step 4: Simplify right side
    14,149.44x = 91,039,815.79
  5. Step 5: Solve for x
    x = 91,039,815.79/14,149.44
  6. Step 6: Final answer
    x = 6,434.16

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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.