Home / 22,491.54-33,757.89-11,405.88

Finding the Fourth Proportional to 22,491.54, 33,757.89 and 11,405.88

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Solution

The fourth proportional to 22,491.54, 33,757.89 and 11,405.88 is: 17,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,491.54 : 33,757.89 = 11,405.88 : x
  2. Step 2: Convert to fraction form
    22,491.54/33,757.89 = 11,405.88/x
  3. Step 3: Cross multiply
    22,491.54x = 33,757.89 × 11,405.88
  4. Step 4: Simplify right side
    22,491.54x = 385,038,442.39
  5. Step 5: Solve for x
    x = 385,038,442.39/22,491.54
  6. Step 6: Final answer
    x = 17,119.26

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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.