Home / 14,747.10-22,067.40-12,691.89

Finding the Fourth Proportional to 14,747.10, 22,067.40 and 12,691.89

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Solution

The fourth proportional to 14,747.10, 22,067.40 and 12,691.89 is: 18,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.10 : 22,067.40 = 12,691.89 : x
  2. Step 2: Convert to fraction form
    14,747.10/22,067.40 = 12,691.89/x
  3. Step 3: Cross multiply
    14,747.10x = 22,067.40 × 12,691.89
  4. Step 4: Simplify right side
    14,747.10x = 280,077,007.44
  5. Step 5: Solve for x
    x = 280,077,007.44/14,747.10
  6. Step 6: Final answer
    x = 18,992.01

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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.