Home / 19,372.74-29,077.30-9,519.09

Finding the Fourth Proportional to 19,372.74, 29,077.30 and 9,519.09

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Solution

The fourth proportional to 19,372.74, 29,077.30 and 9,519.09 is: 14,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.74 : 29,077.30 = 9,519.09 : x
  2. Step 2: Convert to fraction form
    19,372.74/29,077.30 = 9,519.09/x
  3. Step 3: Cross multiply
    19,372.74x = 29,077.30 × 9,519.09
  4. Step 4: Simplify right side
    19,372.74x = 276,789,435.66
  5. Step 5: Solve for x
    x = 276,789,435.66/19,372.74
  6. Step 6: Final answer
    x = 14,287.57

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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.