Home / 19,950.22-27,531.36-11,997

Finding the Fourth Proportional to 19,950.22, 27,531.36 and 11,997

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Solution

The fourth proportional to 19,950.22, 27,531.36 and 11,997 is: 16,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.22 : 27,531.36 = 11,997 : x
  2. Step 2: Convert to fraction form
    19,950.22/27,531.36 = 11,997/x
  3. Step 3: Cross multiply
    19,950.22x = 27,531.36 × 11,997
  4. Step 4: Simplify right side
    19,950.22x = 330,293,725.92
  5. Step 5: Solve for x
    x = 330,293,725.92/19,950.22
  6. Step 6: Final answer
    x = 16,555.89

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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.