Home / 14,226.62-19,642-12,731.98

Finding the Fourth Proportional to 14,226.62, 19,642 and 12,731.98

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Solution

The fourth proportional to 14,226.62, 19,642 and 12,731.98 is: 17,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.62 : 19,642 = 12,731.98 : x
  2. Step 2: Convert to fraction form
    14,226.62/19,642 = 12,731.98/x
  3. Step 3: Cross multiply
    14,226.62x = 19,642 × 12,731.98
  4. Step 4: Simplify right side
    14,226.62x = 250,081,551.16
  5. Step 5: Solve for x
    x = 250,081,551.16/14,226.62
  6. Step 6: Final answer
    x = 17,578.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.