Home / 13,675.37-20,514.20-5,354.78

Finding the Fourth Proportional to 13,675.37, 20,514.20 and 5,354.78

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Solution

The fourth proportional to 13,675.37, 20,514.20 and 5,354.78 is: 8,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.37 : 20,514.20 = 5,354.78 : x
  2. Step 2: Convert to fraction form
    13,675.37/20,514.20 = 5,354.78/x
  3. Step 3: Cross multiply
    13,675.37x = 20,514.20 × 5,354.78
  4. Step 4: Simplify right side
    13,675.37x = 109,848,898.53
  5. Step 5: Solve for x
    x = 109,848,898.53/13,675.37
  6. Step 6: Final answer
    x = 8,032.61

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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.