Home / 15,236.56-21,027.32-8,522.47

Finding the Fourth Proportional to 15,236.56, 21,027.32 and 8,522.47

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Solution

The fourth proportional to 15,236.56, 21,027.32 and 8,522.47 is: 11,761.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.56 : 21,027.32 = 8,522.47 : x
  2. Step 2: Convert to fraction form
    15,236.56/21,027.32 = 8,522.47/x
  3. Step 3: Cross multiply
    15,236.56x = 21,027.32 × 8,522.47
  4. Step 4: Simplify right side
    15,236.56x = 179,204,625.20
  5. Step 5: Solve for x
    x = 179,204,625.20/15,236.56
  6. Step 6: Final answer
    x = 11,761.49

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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.