Home / 19,976.14-29,954.94-11,658.55

Finding the Fourth Proportional to 19,976.14, 29,954.94 and 11,658.55

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Solution

The fourth proportional to 19,976.14, 29,954.94 and 11,658.55 is: 17,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.14 : 29,954.94 = 11,658.55 : x
  2. Step 2: Convert to fraction form
    19,976.14/29,954.94 = 11,658.55/x
  3. Step 3: Cross multiply
    19,976.14x = 29,954.94 × 11,658.55
  4. Step 4: Simplify right side
    19,976.14x = 349,231,165.74
  5. Step 5: Solve for x
    x = 349,231,165.74/19,976.14
  6. Step 6: Final answer
    x = 17,482.41

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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.