Home / 19,965.80-27,552.98-11,013.62

Finding the Fourth Proportional to 19,965.80, 27,552.98 and 11,013.62

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Solution

The fourth proportional to 19,965.80, 27,552.98 and 11,013.62 is: 15,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.80 : 27,552.98 = 11,013.62 : x
  2. Step 2: Convert to fraction form
    19,965.80/27,552.98 = 11,013.62/x
  3. Step 3: Cross multiply
    19,965.80x = 27,552.98 × 11,013.62
  4. Step 4: Simplify right side
    19,965.80x = 303,458,051.59
  5. Step 5: Solve for x
    x = 303,458,051.59/19,965.80
  6. Step 6: Final answer
    x = 15,198.89

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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.