Home / 19,893.12-27,448.36-11,829.64

Finding the Fourth Proportional to 19,893.12, 27,448.36 and 11,829.64

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Solution

The fourth proportional to 19,893.12, 27,448.36 and 11,829.64 is: 16,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.12 : 27,448.36 = 11,829.64 : x
  2. Step 2: Convert to fraction form
    19,893.12/27,448.36 = 11,829.64/x
  3. Step 3: Cross multiply
    19,893.12x = 27,448.36 × 11,829.64
  4. Step 4: Simplify right side
    19,893.12x = 324,704,217.39
  5. Step 5: Solve for x
    x = 324,704,217.39/19,893.12
  6. Step 6: Final answer
    x = 16,322.44

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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.