Home / 13,943.26-19,244.01-8,909.97

Finding the Fourth Proportional to 13,943.26, 19,244.01 and 8,909.97

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Solution

The fourth proportional to 13,943.26, 19,244.01 and 8,909.97 is: 12,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.26 : 19,244.01 = 8,909.97 : x
  2. Step 2: Convert to fraction form
    13,943.26/19,244.01 = 8,909.97/x
  3. Step 3: Cross multiply
    13,943.26x = 19,244.01 × 8,909.97
  4. Step 4: Simplify right side
    13,943.26x = 171,463,551.78
  5. Step 5: Solve for x
    x = 171,463,551.78/13,943.26
  6. Step 6: Final answer
    x = 12,297.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.