Home / 15,238.64-21,029.56-8,524.56

Finding the Fourth Proportional to 15,238.64, 21,029.56 and 8,524.56

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Solution

The fourth proportional to 15,238.64, 21,029.56 and 8,524.56 is: 11,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.64 : 21,029.56 = 8,524.56 : x
  2. Step 2: Convert to fraction form
    15,238.64/21,029.56 = 8,524.56/x
  3. Step 3: Cross multiply
    15,238.64x = 21,029.56 × 8,524.56
  4. Step 4: Simplify right side
    15,238.64x = 179,267,745.99
  5. Step 5: Solve for x
    x = 179,267,745.99/15,238.64
  6. Step 6: Final answer
    x = 11,764.03

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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.