Home / 19,811.87-29,744.20-11,497.85

Finding the Fourth Proportional to 19,811.87, 29,744.20 and 11,497.85

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Solution

The fourth proportional to 19,811.87, 29,744.20 and 11,497.85 is: 17,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.87 : 29,744.20 = 11,497.85 : x
  2. Step 2: Convert to fraction form
    19,811.87/29,744.20 = 11,497.85/x
  3. Step 3: Cross multiply
    19,811.87x = 29,744.20 × 11,497.85
  4. Step 4: Simplify right side
    19,811.87x = 341,994,395.59
  5. Step 5: Solve for x
    x = 341,994,395.59/19,811.87
  6. Step 6: Final answer
    x = 17,262.09

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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.