Home / 12,814.32-19,221.60-4,494.54

Finding the Fourth Proportional to 12,814.32, 19,221.60 and 4,494.54

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Solution

The fourth proportional to 12,814.32, 19,221.60 and 4,494.54 is: 6,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.32 : 19,221.60 = 4,494.54 : x
  2. Step 2: Convert to fraction form
    12,814.32/19,221.60 = 4,494.54/x
  3. Step 3: Cross multiply
    12,814.32x = 19,221.60 × 4,494.54
  4. Step 4: Simplify right side
    12,814.32x = 86,392,250.06
  5. Step 5: Solve for x
    x = 86,392,250.06/12,814.32
  6. Step 6: Final answer
    x = 6,741.85

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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.