Home / 10,514.40-15,771.26-4,272.58

Finding the Fourth Proportional to 10,514.40, 15,771.26 and 4,272.58

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Solution

The fourth proportional to 10,514.40, 15,771.26 and 4,272.58 is: 6,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.40 : 15,771.26 = 4,272.58 : x
  2. Step 2: Convert to fraction form
    10,514.40/15,771.26 = 4,272.58/x
  3. Step 3: Cross multiply
    10,514.40x = 15,771.26 × 4,272.58
  4. Step 4: Simplify right side
    10,514.40x = 67,383,970.05
  5. Step 5: Solve for x
    x = 67,383,970.05/10,514.40
  6. Step 6: Final answer
    x = 6,408.73

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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.