Home / 21,046.36-29,054.49-13,091.14

Finding the Fourth Proportional to 21,046.36, 29,054.49 and 13,091.14

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Solution

The fourth proportional to 21,046.36, 29,054.49 and 13,091.14 is: 18,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.36 : 29,054.49 = 13,091.14 : x
  2. Step 2: Convert to fraction form
    21,046.36/29,054.49 = 13,091.14/x
  3. Step 3: Cross multiply
    21,046.36x = 29,054.49 × 13,091.14
  4. Step 4: Simplify right side
    21,046.36x = 380,356,396.22
  5. Step 5: Solve for x
    x = 380,356,396.22/21,046.36
  6. Step 6: Final answer
    x = 18,072.31

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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.