Home / 13,843.74-19,112.28-9,136.26

Finding the Fourth Proportional to 13,843.74, 19,112.28 and 9,136.26

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Solution

The fourth proportional to 13,843.74, 19,112.28 and 9,136.26 is: 12,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.74 : 19,112.28 = 9,136.26 : x
  2. Step 2: Convert to fraction form
    13,843.74/19,112.28 = 9,136.26/x
  3. Step 3: Cross multiply
    13,843.74x = 19,112.28 × 9,136.26
  4. Step 4: Simplify right side
    13,843.74x = 174,614,759.27
  5. Step 5: Solve for x
    x = 174,614,759.27/13,843.74
  6. Step 6: Final answer
    x = 12,613.26

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1.5x scale

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.