Home / 18,520.80-27,734.40-14,353.92

Finding the Fourth Proportional to 18,520.80, 27,734.40 and 14,353.92

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Solution

The fourth proportional to 18,520.80, 27,734.40 and 14,353.92 is: 21,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.80 : 27,734.40 = 14,353.92 : x
  2. Step 2: Convert to fraction form
    18,520.80/27,734.40 = 14,353.92/x
  3. Step 3: Cross multiply
    18,520.80x = 27,734.40 × 14,353.92
  4. Step 4: Simplify right side
    18,520.80x = 398,097,358.85
  5. Step 5: Solve for x
    x = 398,097,358.85/18,520.80
  6. Step 6: Final answer
    x = 21,494.61

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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.