Home / 19,945.80-27,524.48-11,988.77

Finding the Fourth Proportional to 19,945.80, 27,524.48 and 11,988.77

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Solution

The fourth proportional to 19,945.80, 27,524.48 and 11,988.77 is: 16,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.80 : 27,524.48 = 11,988.77 : x
  2. Step 2: Convert to fraction form
    19,945.80/27,524.48 = 11,988.77/x
  3. Step 3: Cross multiply
    19,945.80x = 27,524.48 × 11,988.77
  4. Step 4: Simplify right side
    19,945.80x = 329,984,462.52
  5. Step 5: Solve for x
    x = 329,984,462.52/19,945.80
  6. Step 6: Final answer
    x = 16,544.06

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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.