Home / 19,892.80-27,453.48-13,166.68

Finding the Fourth Proportional to 19,892.80, 27,453.48 and 13,166.68

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Solution

The fourth proportional to 19,892.80, 27,453.48 and 13,166.68 is: 18,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.80 : 27,453.48 = 13,166.68 : x
  2. Step 2: Convert to fraction form
    19,892.80/27,453.48 = 13,166.68/x
  3. Step 3: Cross multiply
    19,892.80x = 27,453.48 × 13,166.68
  4. Step 4: Simplify right side
    19,892.80x = 361,471,186.05
  5. Step 5: Solve for x
    x = 361,471,186.05/19,892.80
  6. Step 6: Final answer
    x = 18,170.96

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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.