Home / 18,733.80-28,119.72-9,380.52

Finding the Fourth Proportional to 18,733.80, 28,119.72 and 9,380.52

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Solution

The fourth proportional to 18,733.80, 28,119.72 and 9,380.52 is: 14,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.80 : 28,119.72 = 9,380.52 : x
  2. Step 2: Convert to fraction form
    18,733.80/28,119.72 = 9,380.52/x
  3. Step 3: Cross multiply
    18,733.80x = 28,119.72 × 9,380.52
  4. Step 4: Simplify right side
    18,733.80x = 263,777,595.85
  5. Step 5: Solve for x
    x = 263,777,595.85/18,733.80
  6. Step 6: Final answer
    x = 14,080.30

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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.