Home / 15,293.82-21,107.07-8,581.26

Finding the Fourth Proportional to 15,293.82, 21,107.07 and 8,581.26

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Solution

The fourth proportional to 15,293.82, 21,107.07 and 8,581.26 is: 11,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.82 : 21,107.07 = 8,581.26 : x
  2. Step 2: Convert to fraction form
    15,293.82/21,107.07 = 8,581.26/x
  3. Step 3: Cross multiply
    15,293.82x = 21,107.07 × 8,581.26
  4. Step 4: Simplify right side
    15,293.82x = 181,125,255.51
  5. Step 5: Solve for x
    x = 181,125,255.51/15,293.82
  6. Step 6: Final answer
    x = 11,843.04

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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.