Home / 19,409.11-29,112.64-6,261.48

Finding the Fourth Proportional to 19,409.11, 29,112.64 and 6,261.48

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Solution

The fourth proportional to 19,409.11, 29,112.64 and 6,261.48 is: 9,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.11 : 29,112.64 = 6,261.48 : x
  2. Step 2: Convert to fraction form
    19,409.11/29,112.64 = 6,261.48/x
  3. Step 3: Cross multiply
    19,409.11x = 29,112.64 × 6,261.48
  4. Step 4: Simplify right side
    19,409.11x = 182,288,213.11
  5. Step 5: Solve for x
    x = 182,288,213.11/19,409.11
  6. Step 6: Final answer
    x = 9,391.89

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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.