Home / 15,524.56-21,424.76-8,450.84

Finding the Fourth Proportional to 15,524.56, 21,424.76 and 8,450.84

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Solution

The fourth proportional to 15,524.56, 21,424.76 and 8,450.84 is: 11,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.56 : 21,424.76 = 8,450.84 : x
  2. Step 2: Convert to fraction form
    15,524.56/21,424.76 = 8,450.84/x
  3. Step 3: Cross multiply
    15,524.56x = 21,424.76 × 8,450.84
  4. Step 4: Simplify right side
    15,524.56x = 181,057,218.80
  5. Step 5: Solve for x
    x = 181,057,218.80/15,524.56
  6. Step 6: Final answer
    x = 11,662.63

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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.