Home / 19,914.33-27,495.86-13,213.92

Finding the Fourth Proportional to 19,914.33, 27,495.86 and 13,213.92

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Solution

The fourth proportional to 19,914.33, 27,495.86 and 13,213.92 is: 18,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.33 : 27,495.86 = 13,213.92 : x
  2. Step 2: Convert to fraction form
    19,914.33/27,495.86 = 13,213.92/x
  3. Step 3: Cross multiply
    19,914.33x = 27,495.86 × 13,213.92
  4. Step 4: Simplify right side
    19,914.33x = 363,328,028.30
  5. Step 5: Solve for x
    x = 363,328,028.30/19,914.33
  6. Step 6: Final answer
    x = 18,244.55

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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.