Home / 13,550.64-20,279.25-8,282.94

Finding the Fourth Proportional to 13,550.64, 20,279.25 and 8,282.94

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Solution

The fourth proportional to 13,550.64, 20,279.25 and 8,282.94 is: 12,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.64 : 20,279.25 = 8,282.94 : x
  2. Step 2: Convert to fraction form
    13,550.64/20,279.25 = 8,282.94/x
  3. Step 3: Cross multiply
    13,550.64x = 20,279.25 × 8,282.94
  4. Step 4: Simplify right side
    13,550.64x = 167,971,811.00
  5. Step 5: Solve for x
    x = 167,971,811.00/13,550.64
  6. Step 6: Final answer
    x = 12,395.86

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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.