Home / 15,524.42-21,382.89-11,932.51

Finding the Fourth Proportional to 15,524.42, 21,382.89 and 11,932.51

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Solution

The fourth proportional to 15,524.42, 21,382.89 and 11,932.51 is: 16,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.42 : 21,382.89 = 11,932.51 : x
  2. Step 2: Convert to fraction form
    15,524.42/21,382.89 = 11,932.51/x
  3. Step 3: Cross multiply
    15,524.42x = 21,382.89 × 11,932.51
  4. Step 4: Simplify right side
    15,524.42x = 255,151,450.55
  5. Step 5: Solve for x
    x = 255,151,450.55/15,524.42
  6. Step 6: Final answer
    x = 16,435.49

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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.