Home / 12,046.43-18,070.87-4,147.91

Finding the Fourth Proportional to 12,046.43, 18,070.87 and 4,147.91

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Solution

The fourth proportional to 12,046.43, 18,070.87 and 4,147.91 is: 6,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.43 : 18,070.87 = 4,147.91 : x
  2. Step 2: Convert to fraction form
    12,046.43/18,070.87 = 4,147.91/x
  3. Step 3: Cross multiply
    12,046.43x = 18,070.87 × 4,147.91
  4. Step 4: Simplify right side
    12,046.43x = 74,956,241.66
  5. Step 5: Solve for x
    x = 74,956,241.66/12,046.43
  6. Step 6: Final answer
    x = 6,222.28

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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.