Home / 12,811.37-19,217.87-4,046.63

Finding the Fourth Proportional to 12,811.37, 19,217.87 and 4,046.63

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Solution

The fourth proportional to 12,811.37, 19,217.87 and 4,046.63 is: 6,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811.37 : 19,217.87 = 4,046.63 : x
  2. Step 2: Convert to fraction form
    12,811.37/19,217.87 = 4,046.63/x
  3. Step 3: Cross multiply
    12,811.37x = 19,217.87 × 4,046.63
  4. Step 4: Simplify right side
    12,811.37x = 77,767,609.28
  5. Step 5: Solve for x
    x = 77,767,609.28/12,811.37
  6. Step 6: Final answer
    x = 6,070.20

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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.