Home / 15,238.14-21,026.75-8,522.09

Finding the Fourth Proportional to 15,238.14, 21,026.75 and 8,522.09

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Solution

The fourth proportional to 15,238.14, 21,026.75 and 8,522.09 is: 11,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.14 : 21,026.75 = 8,522.09 : x
  2. Step 2: Convert to fraction form
    15,238.14/21,026.75 = 8,522.09/x
  3. Step 3: Cross multiply
    15,238.14x = 21,026.75 × 8,522.09
  4. Step 4: Simplify right side
    15,238.14x = 179,191,708.16
  5. Step 5: Solve for x
    x = 179,191,708.16/15,238.14
  6. Step 6: Final answer
    x = 11,759.42

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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.