Home / 12,730.73-19,089.83-5,232.92

Finding the Fourth Proportional to 12,730.73, 19,089.83 and 5,232.92

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Solution

The fourth proportional to 12,730.73, 19,089.83 and 5,232.92 is: 7,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.73 : 19,089.83 = 5,232.92 : x
  2. Step 2: Convert to fraction form
    12,730.73/19,089.83 = 5,232.92/x
  3. Step 3: Cross multiply
    12,730.73x = 19,089.83 × 5,232.92
  4. Step 4: Simplify right side
    12,730.73x = 99,895,431.59
  5. Step 5: Solve for x
    x = 99,895,431.59/12,730.73
  6. Step 6: Final answer
    x = 7,846.80

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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.