Home / 15,524.24-21,422.84-8,450.67

Finding the Fourth Proportional to 15,524.24, 21,422.84 and 8,450.67

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Solution

The fourth proportional to 15,524.24, 21,422.84 and 8,450.67 is: 11,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.24 : 21,422.84 = 8,450.67 : x
  2. Step 2: Convert to fraction form
    15,524.24/21,422.84 = 8,450.67/x
  3. Step 3: Cross multiply
    15,524.24x = 21,422.84 × 8,450.67
  4. Step 4: Simplify right side
    15,524.24x = 181,037,351.30
  5. Step 5: Solve for x
    x = 181,037,351.30/15,524.24
  6. Step 6: Final answer
    x = 11,661.59

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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.