Home / 19,445.91-29,198.03-11,135.31

Finding the Fourth Proportional to 19,445.91, 29,198.03 and 11,135.31

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Solution

The fourth proportional to 19,445.91, 29,198.03 and 11,135.31 is: 16,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.91 : 29,198.03 = 11,135.31 : x
  2. Step 2: Convert to fraction form
    19,445.91/29,198.03 = 11,135.31/x
  3. Step 3: Cross multiply
    19,445.91x = 29,198.03 × 11,135.31
  4. Step 4: Simplify right side
    19,445.91x = 325,129,059.76
  5. Step 5: Solve for x
    x = 325,129,059.76/19,445.91
  6. Step 6: Final answer
    x = 16,719.66

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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.