Home / 20,104.40-27,747.64-11,605.33

Finding the Fourth Proportional to 20,104.40, 27,747.64 and 11,605.33

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Solution

The fourth proportional to 20,104.40, 27,747.64 and 11,605.33 is: 16,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.40 : 27,747.64 = 11,605.33 : x
  2. Step 2: Convert to fraction form
    20,104.40/27,747.64 = 11,605.33/x
  3. Step 3: Cross multiply
    20,104.40x = 27,747.64 × 11,605.33
  4. Step 4: Simplify right side
    20,104.40x = 322,020,379.39
  5. Step 5: Solve for x
    x = 322,020,379.39/20,104.40
  6. Step 6: Final answer
    x = 16,017.41

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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.