Home / 11,213.60-16,814.56-4,187.84

Finding the Fourth Proportional to 11,213.60, 16,814.56 and 4,187.84

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Solution

The fourth proportional to 11,213.60, 16,814.56 and 4,187.84 is: 6,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.60 : 16,814.56 = 4,187.84 : x
  2. Step 2: Convert to fraction form
    11,213.60/16,814.56 = 4,187.84/x
  3. Step 3: Cross multiply
    11,213.60x = 16,814.56 × 4,187.84
  4. Step 4: Simplify right side
    11,213.60x = 70,416,686.95
  5. Step 5: Solve for x
    x = 70,416,686.95/11,213.60
  6. Step 6: Final answer
    x = 6,279.58

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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.